126972286 has 32 divisors (see below), whose sum is σ = 235395072. Its totient is φ = 50121600.

The previous prime is 126972253. The next prime is 126972289. The reversal of 126972286 is 682279621.

It is a super-2 number, since 2×126972286² = 32243922824131592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126972289) 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, 5511 + ... + 16861.

It is an arithmetic number, because the mean of its divisors is an integer number (7356096).

Almost surely, 2^126972286 is an apocalyptic number.

126972286 is a deficient number, since it is larger than the sum of its proper divisors (108422786).

126972286 is a wasteful number, since it uses less digits than its factorization.

126972286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424.

The product of its digits is 145152, while the sum is 43.

The square root of 126972286 is about 11268.1979925807. The cubic root of 126972286 is about 502.6160038444.

The spelling of 126972286 in words is "one hundred twenty-six million, nine hundred seventy-two thousand, two hundred eighty-six".