1011332149 has 12 divisors (see below), whose sum is σ = 1059306892. Its totient is φ = 965448000.

The previous prime is 1011332143. The next prime is 1011332191. The reversal of 1011332149 is 9412331101.

It can be written as a sum of positive squares in 2 ways, for example, as 438064900 + 573267249 = 20930^2 + 23943^2 .

It is not a de Polignac number, because 1011332149 - 2³ = 1011332141 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011332141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316339 + ... + 319519.

Almost surely, 2^1011332149 is an apocalyptic number.

It is an amenable number.

1011332149 is a deficient number, since it is larger than the sum of its proper divisors (47974743).

1011332149 is an equidigital number, since it uses as much as digits as its factorization.

1011332149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3805 counting only the distinct ones).

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

The square root of 1011332149 is about 31801.4488506420. The cubic root of 1011332149 is about 1003.7632035347.

The spelling of 1011332149 in words is "one billion, eleven million, three hundred thirty-two thousand, one hundred forty-nine".