10129870 has 32 divisors (see below), whose sum is σ = 19305216. Its totient is φ = 3820800.

The previous prime is 10129853. The next prime is 10129871. The reversal of 10129870 is 7892101.

10129870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10129870² = 205228532433800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

10129870 is a modest number, since divided by 129870 gives 10 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10129871) 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, 12312 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (603288).

Almost surely, 2^10129870 is an apocalyptic number.

10129870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10129870 is a deficient number, since it is larger than the sum of its proper divisors (9175346).

10129870 is a wasteful number, since it uses less digits than its factorization.

10129870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 10129870 is about 3182.7456700151. The cubic root of 10129870 is about 216.3721151984.

The spelling of 10129870 in words is "ten million, one hundred twenty-nine thousand, eight hundred seventy".