981226125 has 96 divisors (see below), whose sum is σ = 1982702592. Its totient is φ = 462672000.

The previous prime is 981226123. The next prime is 981226133. The reversal of 981226125 is 521622189.

It is not a de Polignac number, because 981226125 - 2¹ = 981226123 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 981226125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981226123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 456804 + ... + 458946.

It is an arithmetic number, because the mean of its divisors is an integer number (20653152).

Almost surely, 2^981226125 is an apocalyptic number.

It is an amenable number.

981226125 is an abundant number, since it is smaller than the sum of its proper divisors (1001476467).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981226125 is a wasteful number, since it uses less digits than its factorization.

981226125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2199 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 981226125 is about 31324.5291265487. The cubic root of 981226125 is about 993.7024659831.

It can be divided in two parts, 9812 and 26125, that added together give a cube (35937 = 33³).

The spelling of 981226125 in words is "nine hundred eighty-one million, two hundred twenty-six thousand, one hundred twenty-five".