1042057252 has 6 divisors (see below), whose sum is σ = 1823600198. Its totient is φ = 521028624.

The previous prime is 1042057243. The next prime is 1042057253. The reversal of 1042057252 is 2527502401.

It can be written as a sum of positive squares in only one way, i.e., 630210816 + 411846436 = 25104^2 + 20294^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1042057252.

It is not an unprimeable number, because it can be changed into a prime (1042057253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130257153 + ... + 130257160.

Almost surely, 2^1042057252 is an apocalyptic number.

It is an amenable number.

1042057252 is a deficient number, since it is larger than the sum of its proper divisors (781542946).

1042057252 is a wasteful number, since it uses less digits than its factorization.

1042057252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260514317 (or 260514315 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1042057252 is about 32280.9115732502. The cubic root of 1042057252 is about 1013.8270164374.

Adding to 1042057252 its reverse (2527502401), we get a palindrome (3569559653).

The spelling of 1042057252 in words is "one billion, forty-two million, fifty-seven thousand, two hundred fifty-two".