1123557134 has 32 divisors (see below), whose sum is σ = 2030142720. Its totient is φ = 455580288.

The previous prime is 1123557101. The next prime is 1123557161. The reversal of 1123557134 is 4317553211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123557134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238934 + ... + 243590.

It is an arithmetic number, because the mean of its divisors is an integer number (63441960).

Almost surely, 2^1123557134 is an apocalyptic number.

1123557134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1123557134 is a deficient number, since it is larger than the sum of its proper divisors (906585586).

1123557134 is a wasteful number, since it uses less digits than its factorization.

1123557134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592.

The product of its digits is 12600, while the sum is 32.

The square root of 1123557134 is about 33519.5037851099. The cubic root of 1123557134 is about 1039.5970868984.

The spelling of 1123557134 in words is "one billion, one hundred twenty-three million, five hundred fifty-seven thousand, one hundred thirty-four".