125400635 has 8 divisors (see below), whose sum is σ = 151491600. Its totient is φ = 99646624.

The previous prime is 125400593. The next prime is 125400637. The reversal of 125400635 is 536004521.

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

It is a cyclic number.

It is not a de Polignac number, because 125400635 - 2¹⁴ = 125384251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125400637) 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, 83417 + ... + 84906.

It is an arithmetic number, because the mean of its divisors is an integer number (18936450).

Almost surely, 2^125400635 is an apocalyptic number.

125400635 is a deficient number, since it is larger than the sum of its proper divisors (26090965).

125400635 is a wasteful number, since it uses less digits than its factorization.

125400635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168477.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 125400635 is about 11198.2424960348. The cubic root of 125400635 is about 500.5336103175.

The spelling of 125400635 in words is "one hundred twenty-five million, four hundred thousand, six hundred thirty-five".