126981822 has 32 divisors (see below), whose sum is σ = 279656064. Its totient is φ = 38117600.

The previous prime is 126981793. The next prime is 126981851. The reversal of 126981822 is 228189621.

It is an interprime number because it is at equal distance from previous prime (126981793) and next prime (126981851).

It is a super-2 number, since 2×126981822² = 32248766236879368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (8739252).

Almost surely, 2^126981822 is an apocalyptic number.

126981822 is an abundant number, since it is smaller than the sum of its proper divisors (152674242).

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

126981822 is a wasteful number, since it uses less digits than its factorization.

126981822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18104.

The product of its digits is 27648, while the sum is 39.

The square root of 126981822 is about 11268.6211223912. The cubic root of 126981822 is about 502.6285861865.

The spelling of 126981822 in words is "one hundred twenty-six million, nine hundred eighty-one thousand, eight hundred twenty-two".