1154020332 has 12 divisors (see below), whose sum is σ = 2692714136. Its totient is φ = 384673440.

The previous prime is 1154020321. The next prime is 1154020381. The reversal of 1154020332 is 2330204511.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1154020299 and 1154020308.

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, 48084169 + ... + 48084192.

Almost surely, 2^1154020332 is an apocalyptic number.

1154020332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154020332 is an abundant number, since it is smaller than the sum of its proper divisors (1538693804).

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

1154020332 is a wasteful number, since it uses less digits than its factorization.

1154020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96168368 (or 96168366 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1154020332 is about 33970.8747605946. The cubic root of 1154020332 is about 1048.9090201214.

Adding to 1154020332 its reverse (2330204511), we get a palindrome (3484224843).

The spelling of 1154020332 in words is "one billion, one hundred fifty-four million, twenty thousand, three hundred thirty-two".