126402765 has 16 divisors (see below), whose sum is σ = 204806400. Its totient is φ = 66560832.

The previous prime is 126402761. The next prime is 126402821. The reversal of 126402765 is 567204621.

It is not a de Polignac number, because 126402765 - 2² = 126402761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126402761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52150 + ... + 54519.

It is an arithmetic number, because the mean of its divisors is an integer number (12800400).

Almost surely, 2^126402765 is an apocalyptic number.

126402765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126402765 is a deficient number, since it is larger than the sum of its proper divisors (78403635).

126402765 is a wasteful number, since it uses less digits than its factorization.

126402765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106756.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 126402765 is about 11242.8984252283. The cubic root of 126402765 is about 501.8634001859.

The spelling of 126402765 in words is "one hundred twenty-six million, four hundred two thousand, seven hundred sixty-five".