245426121 has 12 divisors (see below), whose sum is σ = 354844672. Its totient is φ = 163460376.

The previous prime is 245426107. The next prime is 245426131. The reversal of 245426121 is 121624542.

245426121 is a `hidden beast` number, since 2 + 4 + 5 + 42 + 612 + 1 = 666.

It is not a de Polignac number, because 245426121 - 2⁵ = 245426089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245426131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2761 + ... + 22326.

Almost surely, 2^245426121 is an apocalyptic number.

It is an amenable number.

245426121 is a deficient number, since it is larger than the sum of its proper divisors (109418551).

245426121 is a wasteful number, since it uses less digits than its factorization.

245426121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26180 (or 26177 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 245426121 is about 15666.0818649719. The cubic root of 245426121 is about 626.0950368969.

The spelling of 245426121 in words is "two hundred forty-five million, four hundred twenty-six thousand, one hundred twenty-one".