125455790 has 16 divisors (see below), whose sum is σ = 226993968. Its totient is φ = 49921536.

The previous prime is 125455787. The next prime is 125455819. The reversal of 125455790 is 97554521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 30572 + ... + 34431.

It is an arithmetic number, because the mean of its divisors is an integer number (14187123).

Almost surely, 2^125455790 is an apocalyptic number.

125455790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125455790 is a deficient number, since it is larger than the sum of its proper divisors (101538178).

125455790 is a wasteful number, since it uses less digits than its factorization.

125455790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65203.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 125455790 is about 11200.7048885327. The cubic root of 125455790 is about 500.6069828455.

The spelling of 125455790 in words is "one hundred twenty-five million, four hundred fifty-five thousand, seven hundred ninety".