1045532120 has 32 divisors (see below), whose sum is σ = 2353795200. Its totient is φ = 417973248.

The previous prime is 1045532107. The next prime is 1045532129. The reversal of 1045532120 is 212355401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045532129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74201 + ... + 87159.

It is an arithmetic number, because the mean of its divisors is an integer number (73556100).

Almost surely, 2^1045532120 is an apocalyptic number.

1045532120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045532120 is an abundant number, since it is smaller than the sum of its proper divisors (1308263080).

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

1045532120 is a wasteful number, since it uses less digits than its factorization.

1045532120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987 (or 14983 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1045532120 is about 32334.6891124687. The cubic root of 1045532120 is about 1014.9526764156.

Adding to 1045532120 its reverse (212355401), we get a palindrome (1257887521).

The spelling of 1045532120 in words is "one billion, forty-five million, five hundred thirty-two thousand, one hundred twenty".