126402715 has 8 divisors (see below), whose sum is σ = 152403408. Its totient is φ = 100642080.

The previous prime is 126402707. The next prime is 126402761. The reversal of 126402715 is 517204621.

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

It is not a de Polignac number, because 126402715 - 2³ = 126402707 is a prime.

It is a Duffinian 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, 58852 + ... + 60961.

It is an arithmetic number, because the mean of its divisors is an integer number (19050426).

Almost surely, 2^126402715 is an apocalyptic number.

126402715 is a deficient number, since it is larger than the sum of its proper divisors (26000693).

126402715 is a wasteful number, since it uses less digits than its factorization.

126402715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120029.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 126402715 is about 11242.8962016021. The cubic root of 126402715 is about 501.8633340133.

The spelling of 126402715 in words is "one hundred twenty-six million, four hundred two thousand, seven hundred fifteen".