121162406 has 16 divisors (see below), whose sum is σ = 188274240. Its totient is φ = 58410240.

The previous prime is 121162403. The next prime is 121162427. The reversal of 121162406 is 604261121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121162403) 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, 70550 + ... + 72246.

It is an arithmetic number, because the mean of its divisors is an integer number (11767140).

Almost surely, 2^121162406 is an apocalyptic number.

121162406 is a deficient number, since it is larger than the sum of its proper divisors (67111834).

121162406 is a wasteful number, since it uses less digits than its factorization.

121162406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121162406 is about 11007.3796155125. The cubic root of 121162406 is about 494.8299330743.

The spelling of 121162406 in words is "one hundred twenty-one million, one hundred sixty-two thousand, four hundred six".