1122390863 has 8 divisors (see below), whose sum is σ = 1224695376. Its totient is φ = 1020131200.

The previous prime is 1122390827. The next prime is 1122390887. The reversal of 1122390863 is 3680932211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122390863 - 2¹⁰ = 1122389839 is a prime.

It is a super-2 number, since 2×1122390863² = 2519522498691769538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122390163) 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, 61853 + ... + 77913.

It is an arithmetic number, because the mean of its divisors is an integer number (153086922).

Almost surely, 2^1122390863 is an apocalyptic number.

1122390863 is a deficient number, since it is larger than the sum of its proper divisors (102304513).

1122390863 is a wasteful number, since it uses less digits than its factorization.

1122390863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22425.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1122390863 is about 33502.1023668665. The cubic root of 1122390863 is about 1039.2372560081.

The spelling of 1122390863 in words is "one billion, one hundred twenty-two million, three hundred ninety thousand, eight hundred sixty-three".