126915782 has 24 divisors (see below), whose sum is σ = 233114040. Its totient is φ = 51528960.

The previous prime is 126915781. The next prime is 126915793. The reversal of 126915782 is 287519621.

It is a super-2 number, since 2×126915782² = 32215231441343048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126915781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32219 + ... + 35942.

It is an arithmetic number, because the mean of its divisors is an integer number (9713085).

Almost surely, 2^126915782 is an apocalyptic number.

126915782 is a deficient number, since it is larger than the sum of its proper divisors (106198258).

126915782 is a wasteful number, since it uses less digits than its factorization.

126915782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68196 (or 68189 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 126915782 is about 11265.6904803922. The cubic root of 126915782 is about 502.5414363164.

The spelling of 126915782 in words is "one hundred twenty-six million, nine hundred fifteen thousand, seven hundred eighty-two".