1042525220 has 48 divisors (see below), whose sum is σ = 2407200768. Its totient is φ = 376104960.

The previous prime is 1042525207. The next prime is 1042525229. The reversal of 1042525220 is 225252401.

It is not an unprimeable number, because it can be changed into a prime (1042525229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9284 + ... + 46596.

It is an arithmetic number, because the mean of its divisors is an integer number (50150016).

Almost surely, 2^1042525220 is an apocalyptic number.

1042525220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042525220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203600384).

1042525220 is an abundant number, since it is smaller than the sum of its proper divisors (1364675548).

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

1042525220 is a wasteful number, since it uses less digits than its factorization.

1042525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37460 (or 37458 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1042525220 is about 32288.1591299349. The cubic root of 1042525220 is about 1013.9787571719.

Adding to 1042525220 its reverse (225252401), we get a palindrome (1267777621).

The spelling of 1042525220 in words is "one billion, forty-two million, five hundred twenty-five thousand, two hundred twenty".