121122451 has 8 divisors (see below), whose sum is σ = 122047200. Its totient is φ = 120201600.

The previous prime is 121122413. The next prime is 121122493. The reversal of 121122451 is 154221121.

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 121122451 - 2⁹ = 121121939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122401) 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, 91170 + ... + 92488.

It is an arithmetic number, because the mean of its divisors is an integer number (15255900).

Almost surely, 2^121122451 is an apocalyptic number.

121122451 is a deficient number, since it is larger than the sum of its proper divisors (924749).

121122451 is a wasteful number, since it uses less digits than its factorization.

121122451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949.

The product of its digits is 160, while the sum is 19.

The square root of 121122451 is about 11005.5645470825. The cubic root of 121122451 is about 494.7755347279.

Adding to 121122451 its reverse (154221121), we get a palindrome (275343572).

The spelling of 121122451 in words is "one hundred twenty-one million, one hundred twenty-two thousand, four hundred fifty-one".