121462645 has 4 divisors (see below), whose sum is σ = 145755180. Its totient is φ = 97170112.

The previous prime is 121462639. The next prime is 121462669. The reversal of 121462645 is 546264121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546264121 = 13 ⋅42020317.

It can be written as a sum of positive squares in 2 ways, for example, as 39614436 + 81848209 = 6294^2 + 9047^2 .

It is a cyclic number.

It is not a de Polignac number, because 121462645 - 2⁵ = 121462613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12146260 + ... + 12146269.

It is an arithmetic number, because the mean of its divisors is an integer number (36438795).

Almost surely, 2^121462645 is an apocalyptic number.

It is an amenable number.

121462645 is a deficient number, since it is larger than the sum of its proper divisors (24292535).

121462645 is an equidigital number, since it uses as much as digits as its factorization.

121462645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24292534.

The product of its digits is 11520, while the sum is 31.

The square root of 121462645 is about 11021.0092550546. The cubic root of 121462645 is about 495.2383234926.

The spelling of 121462645 in words is "one hundred twenty-one million, four hundred sixty-two thousand, six hundred forty-five".