1121510532 has 12 divisors (see below), whose sum is σ = 2616857936. Its totient is φ = 373836840.

The previous prime is 1121510531. The next prime is 1121510543. The reversal of 1121510532 is 2350151211.

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 = 1121510499 and 1121510508.

It is not an unprimeable number, because it can be changed into a prime (1121510531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46729594 + ... + 46729617.

Almost surely, 2^1121510532 is an apocalyptic number.

1121510532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121510532 is an abundant number, since it is smaller than the sum of its proper divisors (1495347404).

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

1121510532 is a wasteful number, since it uses less digits than its factorization.

1121510532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93459218 (or 93459216 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1121510532 is about 33488.9613454941. The cubic root of 1121510532 is about 1038.9654813836.

Adding to 1121510532 its reverse (2350151211), we get a palindrome (3471661743).

The spelling of 1121510532 in words is "one billion, one hundred twenty-one million, five hundred ten thousand, five hundred thirty-two".