121461251 has 8 divisors (see below), whose sum is σ = 125906400. Its totient is φ = 117033280.

The previous prime is 121461233. The next prime is 121461259. The reversal of 121461251 is 152164121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121461251 - 2¹⁸ = 121199107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121461259) 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, 11090 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (15738300).

Almost surely, 2^121461251 is an apocalyptic number.

121461251 is a deficient number, since it is larger than the sum of its proper divisors (4445149).

121461251 is an equidigital number, since it uses as much as digits as its factorization.

121461251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589.

The product of its digits is 480, while the sum is 23.

The square root of 121461251 is about 11020.9460120264. The cubic root of 121461251 is about 495.2364289050.

The spelling of 121461251 in words is "one hundred twenty-one million, four hundred sixty-one thousand, two hundred fifty-one".