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126966977 is a prime number
BaseRepresentation
bin1111001000101…
…01110011000001
322211220120221122
413210111303001
5230000420402
620333202025
73101126054
oct744256301
9284816848
10126966977
1165740195
1236630315
13203c60b7
1412c10a9b
15b22eca2
hex7915cc1

126966977 has 2 divisors, whose sum is σ = 126966978. Its totient is φ = 126966976.

The previous prime is 126966947. The next prime is 126967007. The reversal of 126966977 is 779669621.

It is a balanced prime because it is at equal distance from previous prime (126966947) and next prime (126967007).

It can be written as a sum of positive squares in only one way, i.e., 68046001 + 58920976 = 8249^2 + 7676^2 .

It is an emirp because it is prime and its reverse (779669621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126966977 - 212 = 126962881 is a prime.

It is a super-2 number, since 2×1269669772 = 32241226497037058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126966907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63483488 + 63483489.

It is an arithmetic number, because the mean of its divisors is an integer number (63483489).

Almost surely, 2126966977 is an apocalyptic number.

It is an amenable number.

126966977 is a deficient number, since it is larger than the sum of its proper divisors (1).

126966977 is an equidigital number, since it uses as much as digits as its factorization.

126966977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 126966977 is about 11267.9624156278. The cubic root of 126966977 is about 502.6089985740.

The spelling of 126966977 in words is "one hundred twenty-six million, nine hundred sixty-six thousand, nine hundred seventy-seven".