1331201748 has 24 divisors (see below), whose sum is σ = 3113743360. Its totient is φ = 442647360.

The previous prime is 1331201723. The next prime is 1331201789. The reversal of 1331201748 is 8471021331.

It is a congruent 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, 130708 + ... + 140523.

Almost surely, 2^1331201748 is an apocalyptic number.

It is an amenable number.

1331201748 is an abundant number, since it is smaller than the sum of its proper divisors (1782541612).

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

1331201748 is a wasteful number, since it uses less digits than its factorization.

1331201748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271647 (or 271645 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1331201748 is about 36485.6375578117. The cubic root of 1331201748 is about 1100.0555751536.

The spelling of 1331201748 in words is "one billion, three hundred thirty-one million, two hundred one thousand, seven hundred forty-eight".