125416405 has 8 divisors (see below), whose sum is σ = 151961472. Its totient is φ = 99358608.

The previous prime is 125416399. The next prime is 125416411. The reversal of 125416405 is 504614521.

It is an interprime number because it is at equal distance from previous prime (125416399) and next prime (125416411).

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 125416405 - 2⁵ = 125416373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121249 + ... + 122278.

It is an arithmetic number, because the mean of its divisors is an integer number (18995184).

Almost surely, 2^125416405 is an apocalyptic number.

It is an amenable number.

125416405 is a deficient number, since it is larger than the sum of its proper divisors (26545067).

125416405 is a wasteful number, since it uses less digits than its factorization.

125416405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243635.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 125416405 is about 11198.9466022479. The cubic root of 125416405 is about 500.5545912962.

The spelling of 125416405 in words is "one hundred twenty-five million, four hundred sixteen thousand, four hundred five".