1425331972 has 12 divisors (see below), whose sum is σ = 2497181260. Its totient is φ = 711851616.

The previous prime is 1425331931. The next prime is 1425331979. The reversal of 1425331972 is 2791335241.

It can be written as a sum of positive squares in 2 ways, for example, as 1251461376 + 173870596 = 35376^2 + 13186^2 .

It is not an unprimeable number, because it can be changed into a prime (1425331979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199647 + ... + 206662.

Almost surely, 2^1425331972 is an apocalyptic number.

It is an amenable number.

1425331972 is a deficient number, since it is larger than the sum of its proper divisors (1071849288).

1425331972 is a wasteful number, since it uses less digits than its factorization.

1425331972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407190 (or 407188 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 1425331972 is about 37753.5689968511. The cubic root of 1425331972 is about 1125.3959355671.

It can be divided in two parts, 14253 and 31972, that added together give a square (46225 = 215²).

The spelling of 1425331972 in words is "one billion, four hundred twenty-five million, three hundred thirty-one thousand, nine hundred seventy-two".