1057288242 has 32 divisors (see below), whose sum is σ = 2336314752. Its totient is φ = 317275904.

The previous prime is 1057288241. The next prime is 1057288277. The reversal of 1057288242 is 2428827501.

It is a super-2 number, since 2×1057288242² = 2235716853342901128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057288242.

It is not an unprimeable number, because it can be changed into a prime (1057288241) 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, 222993 + ... + 227684.

It is an arithmetic number, because the mean of its divisors is an integer number (73009836).

Almost surely, 2^1057288242 is an apocalyptic number.

1057288242 is an abundant number, since it is smaller than the sum of its proper divisors (1279026510).

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

1057288242 is a wasteful number, since it uses less digits than its factorization.

1057288242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450722.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 1057288242 is about 32515.9690306163. The cubic root of 1057288242 is about 1018.7426009123.

The spelling of 1057288242 in words is "one billion, fifty-seven million, two hundred eighty-eight thousand, two hundred forty-two".