125870746 has 4 divisors (see below), whose sum is σ = 188806122. Its totient is φ = 62935372.

The previous prime is 125870741. The next prime is 125870783. The reversal of 125870746 is 647078521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110355025 + 15515721 = 10505^2 + 3939^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 125870699 and 125870708.

It is not an unprimeable number, because it can be changed into a prime (125870741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31467685 + ... + 31467688.

Almost surely, 2^125870746 is an apocalyptic number.

125870746 is a deficient number, since it is larger than the sum of its proper divisors (62935376).

125870746 is an equidigital number, since it uses as much as digits as its factorization.

125870746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62935375.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 125870746 is about 11219.2132522740. The cubic root of 125870746 is about 501.1583092340.

The spelling of 125870746 in words is "one hundred twenty-five million, eight hundred seventy thousand, seven hundred forty-six".