126124870 has 32 divisors (see below), whose sum is σ = 250838208. Its totient is φ = 45416448.

The previous prime is 126124849. The next prime is 126124871. The reversal of 126124870 is 78421621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126124871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12219 + ... + 20038.

It is an arithmetic number, because the mean of its divisors is an integer number (7838694).

Almost surely, 2^126124870 is an apocalyptic number.

126124870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126124870 is a deficient number, since it is larger than the sum of its proper divisors (124713338).

126124870 is a wasteful number, since it uses less digits than its factorization.

126124870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32304.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 126124870 is about 11230.5329348166. The cubic root of 126124870 is about 501.4953500648.

The spelling of 126124870 in words is "one hundred twenty-six million, one hundred twenty-four thousand, eight hundred seventy".