121633461 has 16 divisors (see below), whose sum is σ = 180878400. Its totient is φ = 80782704.

The previous prime is 121633433. The next prime is 121633469. The reversal of 121633461 is 164336121.

121633461 is a `hidden beast` number, since 1 + 21 + 633 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 121633461 - 2¹⁷ = 121502389 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 (121633469) 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, 1111 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (11304900).

Almost surely, 2^121633461 is an apocalyptic number.

It is an amenable number.

121633461 is a deficient number, since it is larger than the sum of its proper divisors (59244939).

121633461 is a wasteful number, since it uses less digits than its factorization.

121633461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17025 (or 17019 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 121633461 is about 11028.7560948640. The cubic root of 121633461 is about 495.4703701561.

Adding to 121633461 its reverse (164336121), we get a palindrome (285969582).

The spelling of 121633461 in words is "one hundred twenty-one million, six hundred thirty-three thousand, four hundred sixty-one".