1321149104 has 40 divisors (see below), whose sum is σ = 2796463872. Its totient is φ = 599654720.

The previous prime is 1321149077. The next prime is 1321149113. The reversal of 1321149104 is 4019411231.

It is a happy number.

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, 125717 + ... + 135819.

Almost surely, 2^1321149104 is an apocalyptic number.

It is an amenable number.

1321149104 is an abundant number, since it is smaller than the sum of its proper divisors (1475314768).

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

1321149104 is a wasteful number, since it uses less digits than its factorization.

1321149104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865 (or 10859 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1321149104 is about 36347.6148323380. The cubic root of 1321149104 is about 1097.2795319590.

The spelling of 1321149104 in words is "one billion, three hundred twenty-one million, one hundred forty-nine thousand, one hundred four".