1122057442 has 24 divisors (see below), whose sum is σ = 1877642928. Its totient is φ = 502406520.

The previous prime is 1122057427. The next prime is 1122057487. The reversal of 1122057442 is 2447502211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122057442.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18388 + ... + 50815.

It is an arithmetic number, because the mean of its divisors is an integer number (78235122).

Almost surely, 2^1122057442 is an apocalyptic number.

1122057442 is a deficient number, since it is larger than the sum of its proper divisors (755585486).

1122057442 is a wasteful number, since it uses less digits than its factorization.

1122057442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69294 (or 69283 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1122057442 is about 33497.1258767077. The cubic root of 1122057442 is about 1039.1343394415.

Adding to 1122057442 its reverse (2447502211), we get a palindrome (3569559653).

The spelling of 1122057442 in words is "one billion, one hundred twenty-two million, fifty-seven thousand, four hundred forty-two".