425121105 has 16 divisors (see below), whose sum is σ = 715993920. Its totient is φ = 214797888.

The previous prime is 425121101. The next prime is 425121127. The reversal of 425121105 is 501121524.

It is not a de Polignac number, because 425121105 - 2² = 425121101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425121101) 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, 745542 + ... + 746111.

It is an arithmetic number, because the mean of its divisors is an integer number (44749620).

Almost surely, 2^425121105 is an apocalyptic number.

It is an amenable number.

425121105 is a deficient number, since it is larger than the sum of its proper divisors (290872815).

425121105 is a wasteful number, since it uses less digits than its factorization.

425121105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491680.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 425121105 is about 20618.4651465622. The cubic root of 425121105 is about 751.9187050200.

Adding to 425121105 its reverse (501121524), we get a palindrome (926242629).

The spelling of 425121105 in words is "four hundred twenty-five million, one hundred twenty-one thousand, one hundred five".