1046772321 has 16 divisors (see below), whose sum is σ = 1599258624. Its totient is φ = 596589264.

The previous prime is 1046772269. The next prime is 1046772323. The reversal of 1046772321 is 1232776401.

It is not a de Polignac number, because 1046772321 - 2⁷ = 1046772193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1046772323) 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, 57031 + ... + 73116.

It is an arithmetic number, because the mean of its divisors is an integer number (99953664).

Almost surely, 2^1046772321 is an apocalyptic number.

It is an amenable number.

1046772321 is a deficient number, since it is larger than the sum of its proper divisors (552486303).

1046772321 is a wasteful number, since it uses less digits than its factorization.

1046772321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130540.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1046772321 is about 32353.8609906144. The cubic root of 1046772321 is about 1015.3538271546.

The spelling of 1046772321 in words is "one billion, forty-six million, seven hundred seventy-two thousand, three hundred twenty-one".