1123007772 has 12 divisors (see below), whose sum is σ = 2620351496. Its totient is φ = 374335920.

The previous prime is 1123007771. The next prime is 1123007773. The reversal of 1123007772 is 2777003211.

It is an interprime number because it is at equal distance from previous prime (1123007771) and next prime (1123007773).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1123007772² = 2522292911944807968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123007771) 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, 46791979 + ... + 46792002.

Almost surely, 2^1123007772 is an apocalyptic number.

1123007772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123007772 is an abundant number, since it is smaller than the sum of its proper divisors (1497343724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123007772 is a wasteful number, since it uses less digits than its factorization.

1123007772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93583988 (or 93583986 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 1123007772 is about 33511.3081212894. The cubic root of 1123007772 is about 1039.4276226659.

The spelling of 1123007772 in words is "one billion, one hundred twenty-three million, seven thousand, seven hundred seventy-two".