Search a number
-
+
126070631 is a prime number
BaseRepresentation
bin1111000001110…
…10111101100111
322210020001101122
413200322331213
5224233230011
620302044155
73060403601
oct740727547
9283201348
10126070631
1165188805
123627965b
132017110b
1412a5a171
15b1043db
hex783af67

126070631 has 2 divisors, whose sum is σ = 126070632. Its totient is φ = 126070630.

The previous prime is 126070573. The next prime is 126070639. The reversal of 126070631 is 136070621.

It is a strong prime.

It is an emirp because it is prime and its reverse (136070621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126070631 - 222 = 121876327 is a prime.

It is a super-2 number, since 2×1260706312 = 31787608001476322, 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 126070631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126070639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63035315 + 63035316.

It is an arithmetic number, because the mean of its divisors is an integer number (63035316).

Almost surely, 2126070631 is an apocalyptic number.

126070631 is a deficient number, since it is larger than the sum of its proper divisors (1).

126070631 is an equidigital number, since it uses as much as digits as its factorization.

126070631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 126070631 is about 11228.1178743367. The cubic root of 126070631 is about 501.4234517247.

The spelling of 126070631 in words is "one hundred twenty-six million, seventy thousand, six hundred thirty-one".