126992130 has 16 divisors (see below), whose sum is σ = 304781184. Its totient is φ = 33864560.

The previous prime is 126992123. The next prime is 126992137. The reversal of 126992130 is 31299621.

It is an interprime number because it is at equal distance from previous prime (126992123) and next prime (126992137).

It is a super-2 number, since 2×126992130² = 32254002163873800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126992091 and 126992100.

It is not an unprimeable number, because it can be changed into a prime (126992137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116506 + ... + 2116565.

It is an arithmetic number, because the mean of its divisors is an integer number (19048824).

Almost surely, 2^126992130 is an apocalyptic number.

126992130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126992130 is an abundant number, since it is smaller than the sum of its proper divisors (177789054).

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

126992130 is a wasteful number, since it uses less digits than its factorization.

126992130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233081.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 126992130 is about 11269.0784893886. The cubic root of 126992130 is about 502.6421864410.

The spelling of 126992130 in words is "one hundred twenty-six million, nine hundred ninety-two thousand, one hundred thirty".