425160121 has 2 divisors, whose sum is σ = 425160122. Its totient is φ = 425160120.

The previous prime is 425160101. The next prime is 425160137. The reversal of 425160121 is 121061524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403407225 + 21752896 = 20085^2 + 4664^2 .

It is a cyclic number.

It is not a de Polignac number, because 425160121 - 2¹⁷ = 425029049 is a prime.

It is a super-2 number, since 2×425160121² = 361522256977469282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425160092 and 425160101.

It is not a weakly prime, because it can be changed into another prime (425160101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212580060 + 212580061.

It is an arithmetic number, because the mean of its divisors is an integer number (212580061).

Almost surely, 2^425160121 is an apocalyptic number.

It is an amenable number.

425160121 is a deficient number, since it is larger than the sum of its proper divisors (1).

425160121 is an equidigital number, since it uses as much as digits as its factorization.

425160121 is an evil number, because the sum of its binary digits is even.

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

The square root of 425160121 is about 20619.4112670561. The cubic root of 425160121 is about 751.9417070638.

The spelling of 425160121 in words is "four hundred twenty-five million, one hundred sixty thousand, one hundred twenty-one".