40030122 has 32 divisors (see below), whose sum is σ = 87562944. Its totient is φ = 12099200.

The previous prime is 40030117. The next prime is 40030127. The reversal of 40030122 is 22103004.

It is an interprime number because it is at equal distance from previous prime (40030117) and next prime (40030127).

It is a junction number, because it is equal to n+sod(n) for n = 40030098 and 40030107.

It is not an unprimeable number, because it can be changed into a prime (40030127) 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, 49828 + ... + 50624.

It is an arithmetic number, because the mean of its divisors is an integer number (2736342).

Almost surely, 2^40030122 is an apocalyptic number.

40030122 is an abundant number, since it is smaller than the sum of its proper divisors (47532822).

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

40030122 is a wasteful number, since it uses less digits than its factorization.

40030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40030122 is about 6326.9362253780. The cubic root of 40030122 is about 342.0810142879.

Adding to 40030122 its reverse (22103004), we get a palindrome (62133126).

The spelling of 40030122 in words is "forty million, thirty thousand, one hundred twenty-two".