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124948261 is a prime number
BaseRepresentation
bin1110111001010…
…00111100100101
322201010000210101
413130220330211
5223441321021
620222024101
73045020434
oct734507445
9281100711
10124948261
1164591529
1235a18031
131cb6a2a9
141284711b
15ae81a91
hex7728f25

124948261 has 2 divisors, whose sum is σ = 124948262. Its totient is φ = 124948260.

The previous prime is 124948183. The next prime is 124948267. The reversal of 124948261 is 162849421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70040161 + 54908100 = 8369^2 + 7410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124948261 is a prime.

It is a super-2 number, since 2×1249482612 = 31224135853848242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124948261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124948267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62474130 + 62474131.

It is an arithmetic number, because the mean of its divisors is an integer number (62474131).

Almost surely, 2124948261 is an apocalyptic number.

It is an amenable number.

124948261 is a deficient number, since it is larger than the sum of its proper divisors (1).

124948261 is an equidigital number, since it uses as much as digits as its factorization.

124948261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 124948261 is about 11178.0258095963. The cubic root of 124948261 is about 499.9310051465.

The spelling of 124948261 in words is "one hundred twenty-four million, nine hundred forty-eight thousand, two hundred sixty-one".