125404120 has 32 divisors (see below), whose sum is σ = 291891600. Its totient is φ = 48431488.

The previous prime is 125404061. The next prime is 125404127. The reversal of 125404120 is 21404521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125404127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52894 + ... + 55213.

Almost surely, 2^125404120 is an apocalyptic number.

125404120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125404120 is an abundant number, since it is smaller than the sum of its proper divisors (166487480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125404120 is a wasteful number, since it uses less digits than its factorization.

125404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108147 (or 108143 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125404120 is about 11198.3980997284. The cubic root of 125404120 is about 500.5382470390.

Adding to 125404120 its reverse (21404521), we get a palindrome (146808641).

The spelling of 125404120 in words is "one hundred twenty-five million, four hundred four thousand, one hundred twenty".