25146121 has 16 divisors (see below), whose sum is σ = 33763968. Its totient is φ = 18086400.

The previous prime is 25146119. The next prime is 25146133. The reversal of 25146121 is 12164152.

It is a cyclic number.

It is not a de Polignac number, because 25146121 - 2¹ = 25146119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25146092 and 25146101.

It is not an unprimeable number, because it can be changed into a prime (25146721) 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, 11560 + ... + 13561.

It is an arithmetic number, because the mean of its divisors is an integer number (2110248).

Almost surely, 2^25146121 is an apocalyptic number.

It is an amenable number.

25146121 is a deficient number, since it is larger than the sum of its proper divisors (8617847).

25146121 is a wasteful number, since it uses less digits than its factorization.

25146121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25152.

The product of its digits is 480, while the sum is 22.

The square root of 25146121 is about 5014.5908108239. The cubic root of 25146121 is about 292.9703480420.

The spelling of 25146121 in words is "twenty-five million, one hundred forty-six thousand, one hundred twenty-one".