121407486 has 32 divisors (see below), whose sum is σ = 252218880. Its totient is φ = 38931456.

The previous prime is 121407469. The next prime is 121407487. The reversal of 121407486 is 684704121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121407487) 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, 12990 + ... + 20286.

It is an arithmetic number, because the mean of its divisors is an integer number (7881840).

Almost surely, 2^121407486 is an apocalyptic number.

121407486 is an abundant number, since it is smaller than the sum of its proper divisors (130811394).

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

121407486 is a wasteful number, since it uses less digits than its factorization.

121407486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 121407486 is about 11018.5065231183. The cubic root of 121407486 is about 495.1633457445.

The spelling of 121407486 in words is "one hundred twenty-one million, four hundred seven thousand, four hundred eighty-six".