1122312501 has 24 divisors (see below), whose sum is σ = 1719500640. Its totient is φ = 703404000.

The previous prime is 1122312493. The next prime is 1122312509. The reversal of 1122312501 is 1052132211.

It is an interprime number because it is at equal distance from previous prime (1122312493) and next prime (1122312509).

It is not a de Polignac number, because 1122312501 - 2³ = 1122312493 is a prime.

It is a super-3 number, since 3×1122312501³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122312509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2650 + ... + 47451.

It is an arithmetic number, because the mean of its divisors is an integer number (71645860).

Almost surely, 2^1122312501 is an apocalyptic number.

It is an amenable number.

1122312501 is a deficient number, since it is larger than the sum of its proper divisors (597188139).

1122312501 is a wasteful number, since it uses less digits than its factorization.

1122312501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50257 (or 50254 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1122312501 is about 33500.9328377584. The cubic root of 1122312501 is about 1039.2130699580.

Adding to 1122312501 its reverse (1052132211), we get a palindrome (2174444712).

The spelling of 1122312501 in words is "one billion, one hundred twenty-two million, three hundred twelve thousand, five hundred one".