121465413 has 20 divisors (see below), whose sum is σ = 186356940. Its totient is φ = 78786432.

The previous prime is 121465397. The next prime is 121465429. The reversal of 121465413 is 314564121.

It is a happy number.

121465413 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 654 + 1 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (121465397) and next prime (121465429).

It can be written as a sum of positive squares in 2 ways, for example, as 112211649 + 9253764 = 10593^2 + 3042^2 .

It is not a de Polignac number, because 121465413 - 2⁴ = 121465397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121465913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17268 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (9317847).

Almost surely, 2^121465413 is an apocalyptic number.

It is an amenable number.

121465413 is a deficient number, since it is larger than the sum of its proper divisors (64891527).

121465413 is an equidigital number, since it uses as much as digits as its factorization.

121465413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40578 (or 40569 counting only the distinct ones).

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

The square root of 121465413 is about 11021.1348326749. The cubic root of 121465413 is about 495.2420854428.

The spelling of 121465413 in words is "one hundred twenty-one million, four hundred sixty-five thousand, four hundred thirteen".