1321193104 has 40 divisors (see below), whose sum is σ = 3191456448. Its totient is φ = 514750080.

The previous prime is 1321192997. The next prime is 1321193113. The reversal of 1321193104 is 4013911231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534967 + ... + 537430.

Almost surely, 2^1321193104 is an apocalyptic number.

1321193104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321193104 is an abundant number, since it is smaller than the sum of its proper divisors (1870263344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321193104 is a wasteful number, since it uses less digits than its factorization.

1321193104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072423 (or 1072417 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1321193104 is about 36348.2200939743. The cubic root of 1321193104 is about 1097.2917132142.

The spelling of 1321193104 in words is "one billion, three hundred twenty-one million, one hundred ninety-three thousand, one hundred four".