1122972403 has 4 divisors (see below), whose sum is σ = 1283397040. Its totient is φ = 962547768.

The previous prime is 1122972377. The next prime is 1122972419. The reversal of 1122972403 is 3042792211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042792211 = 9949 ⋅305839.

It is not a de Polignac number, because 1122972403 - 2²⁹ = 586101491 is a prime.

It is a super-2 number, since 2×1122972403² = 2522134035799188818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122972503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80212308 + ... + 80212321.

It is an arithmetic number, because the mean of its divisors is an integer number (320849260).

Almost surely, 2^1122972403 is an apocalyptic number.

1122972403 is a deficient number, since it is larger than the sum of its proper divisors (160424637).

1122972403 is an equidigital number, since it uses as much as digits as its factorization.

1122972403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160424636.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1122972403 is about 33510.7803997460. The cubic root of 1122972403 is about 1039.4167103337.

The spelling of 1122972403 in words is "one billion, one hundred twenty-two million, nine hundred seventy-two thousand, four hundred three".