1122397631 has 8 divisors (see below), whose sum is σ = 1172469984. Its totient is φ = 1072431360.

The previous prime is 1122397609. The next prime is 1122397637. The reversal of 1122397631 is 1367932211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122397631 - 2²² = 1118203327 is a prime.

It is a super-2 number, since 2×1122397631² = 2519552884148824322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122397591 and 1122397600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122397637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4490 + ... + 47591.

It is an arithmetic number, because the mean of its divisors is an integer number (146558748).

Almost surely, 2^1122397631 is an apocalyptic number.

1122397631 is a deficient number, since it is larger than the sum of its proper divisors (50072353).

1122397631 is an equidigital number, since it uses as much as digits as its factorization.

1122397631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53041.

The product of its digits is 13608, while the sum is 35.

The square root of 1122397631 is about 33502.2033753006. The cubic root of 1122397631 is about 1039.2393448656.

The spelling of 1122397631 in words is "one billion, one hundred twenty-two million, three hundred ninety-seven thousand, six hundred thirty-one".