125021071030 has 32 divisors (see below), whose sum is σ = 236948716800. Its totient is φ = 47363068512.

The previous prime is 125021070907. The next prime is 125021071031. The reversal of 125021071030 is 30170120521.

It is a happy number.

125021071030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 125021070992 and 125021071010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125021071031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597561 + ... + 779179.

It is an arithmetic number, because the mean of its divisors is an integer number (7404647400).

Almost surely, 2^125021071030 is an apocalyptic number.

125021071030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125021071030 is a deficient number, since it is larger than the sum of its proper divisors (111927645770).

125021071030 is a wasteful number, since it uses less digits than its factorization.

125021071030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185268.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 125021071030 its reverse (30170120521), we get a palindrome (155191191551).

The spelling of 125021071030 in words is "one hundred twenty-five billion, twenty-one million, seventy-one thousand, thirty".