1921425232 has 10 divisors (see below), whose sum is σ = 3722761418. Its totient is φ = 960712608.

The previous prime is 1921425227. The next prime is 1921425241. The reversal of 1921425232 is 2325241291.

It can be written as a sum of positive squares in only one way, i.e., 1908291856 + 13133376 = 43684^2 + 3624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1921425194 and 1921425203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60044523 + ... + 60044554.

Almost surely, 2^1921425232 is an apocalyptic number.

It is an amenable number.

1921425232 is a deficient number, since it is larger than the sum of its proper divisors (1801336186).

1921425232 is a wasteful number, since it uses less digits than its factorization.

1921425232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120089085 (or 120089079 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1921425232 is about 43834.0647442146. The cubic root of 1921425232 is about 1243.2004629283.

The spelling of 1921425232 in words is "one billion, nine hundred twenty-one million, four hundred twenty-five thousand, two hundred thirty-two".