121151425 has 24 divisors (see below), whose sum is σ = 154677600. Its totient is φ = 94080000.

The previous prime is 121151341. The next prime is 121151461. The reversal of 121151425 is 524151121.

It is not a de Polignac number, because 121151425 - 2⁷ = 121151297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121151396 and 121151405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269601 + ... + 270049.

It is an arithmetic number, because the mean of its divisors is an integer number (6444900).

Almost surely, 2^121151425 is an apocalyptic number.

It is an amenable number.

121151425 is a deficient number, since it is larger than the sum of its proper divisors (33526175).

121151425 is a wasteful number, since it uses less digits than its factorization.

121151425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 121151425 is about 11006.8808024799. The cubic root of 121151425 is about 494.8149837408.

The spelling of 121151425 in words is "one hundred twenty-one million, one hundred fifty-one thousand, four hundred twenty-five".