125156463242 has 8 divisors (see below), whose sum is σ = 187736996100. Its totient is φ = 62577464544.

The previous prime is 125156463241. The next prime is 125156463251. The reversal of 125156463242 is 242364651521.

It can be written as a sum of positive squares in 2 ways, for example, as 105092024041 + 20064439201 = 324179^2 + 141649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 125156463242.

It is not an unprimeable number, because it can be changed into a prime (125156463241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151517 + ... + 522752.

Almost surely, 2^125156463242 is an apocalyptic number.

125156463242 is a deficient number, since it is larger than the sum of its proper divisors (62580532858).

125156463242 is an equidigital number, since it uses as much as digits as its factorization.

125156463242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767080.

The product of its digits is 345600, while the sum is 41.

The spelling of 125156463242 in words is "one hundred twenty-five billion, one hundred fifty-six million, four hundred sixty-three thousand, two hundred forty-two".