40121132 has 6 divisors (see below), whose sum is σ = 70211988. Its totient is φ = 20060564.

The previous prime is 40121129. The next prime is 40121149. The reversal of 40121132 is 23112104.

It is a super-2 number, since 2×40121132² = 3219410465922848, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5015138 + ... + 5015145.

It is an arithmetic number, because the mean of its divisors is an integer number (11701998).

Almost surely, 2^40121132 is an apocalyptic number.

It is an amenable number.

40121132 is a deficient number, since it is larger than the sum of its proper divisors (30090856).

40121132 is a wasteful number, since it uses less digits than its factorization.

40121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030287 (or 10030285 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40121132 is about 6334.1244067353. The cubic root of 40121132 is about 342.3400627865.

Adding to 40121132 its reverse (23112104), we get a palindrome (63233236).

Subtracting from 40121132 its reverse (23112104), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 40121132 in words is "forty million, one hundred twenty-one thousand, one hundred thirty-two".