1123496451 has 108 divisors (see below), whose sum is σ = 2136800952. Its totient is φ = 562464000.

The previous prime is 1123496443. The next prime is 1123496461. The reversal of 1123496451 is 1546943211.

It is a happy number.

1123496451 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 4 + 9 + 645 + 1 = 666.

It is not a de Polignac number, because 1123496451 - 2³ = 1123496443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123496441) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4661691 + ... + 4661931.

It is an arithmetic number, because the mean of its divisors is an integer number (19785194).

Almost surely, 2^1123496451 is an apocalyptic number.

1123496451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123496451 is a deficient number, since it is larger than the sum of its proper divisors (1013304501).

1123496451 is a wasteful number, since it uses less digits than its factorization.

1123496451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 293 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1123496451 is about 33518.5985834730. The cubic root of 1123496451 is about 1039.5783704475.

The spelling of 1123496451 in words is "one billion, one hundred twenty-three million, four hundred ninety-six thousand, four hundred fifty-one".