126987222 has 32 divisors (see below), whose sum is σ = 275973120. Its totient is φ = 38806560.

The previous prime is 126987221. The next prime is 126987227. The reversal of 126987222 is 222789621.

It is a super-2 number, since 2×126987222² = 32251509102554568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126987221) 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, 14433 + ... + 21500.

It is an arithmetic number, because the mean of its divisors is an integer number (8624160).

Almost surely, 2^126987222 is an apocalyptic number.

126987222 is an abundant number, since it is smaller than the sum of its proper divisors (148985898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126987222 is a wasteful number, since it uses less digits than its factorization.

126987222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35988.

The product of its digits is 48384, while the sum is 39.

The square root of 126987222 is about 11268.8607232497. The cubic root of 126987222 is about 502.6357109750.

The spelling of 126987222 in words is "one hundred twenty-six million, nine hundred eighty-seven thousand, two hundred twenty-two".