126782620 has 24 divisors (see below), whose sum is σ = 268013088. Its totient is φ = 50376000.

The previous prime is 126782603. The next prime is 126782633. The reversal of 126782620 is 26287621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17971 + ... + 24010.

It is an arithmetic number, because the mean of its divisors is an integer number (11167212).

Almost surely, 2^126782620 is an apocalyptic number.

126782620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126782620 is an abundant number, since it is smaller than the sum of its proper divisors (141230468).

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

126782620 is a wasteful number, since it uses less digits than its factorization.

126782620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42141 (or 42139 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 126782620 is about 11259.7788610612. The cubic root of 126782620 is about 502.3656167305.

The spelling of 126782620 in words is "one hundred twenty-six million, seven hundred eighty-two thousand, six hundred twenty".