1021612304 has 40 divisors (see below), whose sum is σ = 2032250880. Its totient is φ = 497276928.

The previous prime is 1021612303. The next prime is 1021612307. The reversal of 1021612304 is 4032161201.

It is not an unprimeable number, because it can be changed into a prime (1021612301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141617 + ... + 148655.

It is an arithmetic number, because the mean of its divisors is an integer number (50806272).

Almost surely, 2^1021612304 is an apocalyptic number.

It is an amenable number.

1021612304 is a deficient number, since it is larger than the sum of its proper divisors (1010638576).

1021612304 is a wasteful number, since it uses less digits than its factorization.

1021612304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7287 (or 7281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1021612304 is about 31962.6704766670. The cubic root of 1021612304 is about 1007.1528165626.

Adding to 1021612304 its reverse (4032161201), we get a palindrome (5053773505).

The spelling of 1021612304 in words is "one billion, twenty-one million, six hundred twelve thousand, three hundred four".