1321672024 has 16 divisors (see below), whose sum is σ = 2524893120. Its totient is φ = 648367200.

The previous prime is 1321671973. The next prime is 1321672031. The reversal of 1321672024 is 4202761231.

It is a junction number, because it is equal to n+sod(n) for n = 1321671983 and 1321672001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558152 + ... + 1558999.

It is an arithmetic number, because the mean of its divisors is an integer number (157805820).

Almost surely, 2^1321672024 is an apocalyptic number.

It is an amenable number.

1321672024 is a deficient number, since it is larger than the sum of its proper divisors (1203221096).

1321672024 is a wasteful number, since it uses less digits than its factorization.

1321672024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117210 (or 3117206 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1321672024 is about 36354.8074400072. The cubic root of 1321672024 is about 1097.4242831518.

The spelling of 1321672024 in words is "one billion, three hundred twenty-one million, six hundred seventy-two thousand, twenty-four".