425022129 has 36 divisors (see below), whose sum is σ = 745220736. Its totient is φ = 232304688.

The previous prime is 425022127. The next prime is 425022131. The reversal of 425022129 is 921220524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425022127) and next prime (425022131).

It is not a de Polignac number, because 425022129 - 2¹ = 425022127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425022127) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10809 + ... + 31094.

It is an arithmetic number, because the mean of its divisors is an integer number (20700576).

Almost surely, 2^425022129 is an apocalyptic number.

425022129 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

425022129 is a deficient number, since it is larger than the sum of its proper divisors (320198607).

425022129 is a wasteful number, since it uses less digits than its factorization.

425022129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41946 (or 41936 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 425022129 is about 20616.0648281868. The cubic root of 425022129 is about 751.8603469967.

The spelling of 425022129 in words is "four hundred twenty-five million, twenty-two thousand, one hundred twenty-nine".