126980870 has 16 divisors (see below), whose sum is σ = 231320880. Its totient is φ = 50180064.

The previous prime is 126980863. The next prime is 126980891. The reversal of 126980870 is 78089621.

It is a super-2 number, since 2×126980870² = 32248282691913800, 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 7 ways as a sum of consecutive naturals, for example, 75665 + ... + 77324.

It is an arithmetic number, because the mean of its divisors is an integer number (14457555).

Almost surely, 2^126980870 is an apocalyptic number.

126980870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126980870 is a deficient number, since it is larger than the sum of its proper divisors (104340010).

126980870 is a wasteful number, since it uses less digits than its factorization.

126980870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153079.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 126980870 is about 11268.5788811189. The cubic root of 126980870 is about 502.6273300917.

The spelling of 126980870 in words is "one hundred twenty-six million, nine hundred eighty thousand, eight hundred seventy".