1124255805 has 32 divisors (see below), whose sum is σ = 1815609600. Its totient is φ = 594028032.

The previous prime is 1124255791. The next prime is 1124255813. The reversal of 1124255805 is 5085524211.

It is not a de Polignac number, because 1124255805 - 2⁵ = 1124255773 is a prime.

It is a super-2 number, since 2×1124255805² = 2527902230152396050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1339576 + ... + 1340414.

It is an arithmetic number, because the mean of its divisors is an integer number (56737800).

Almost surely, 2^1124255805 is an apocalyptic number.

1124255805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1124255805 is a deficient number, since it is larger than the sum of its proper divisors (691353795).

1124255805 is a wasteful number, since it uses less digits than its factorization.

1124255805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 1124255805 is about 33529.9240231767. The cubic root of 1124255805 is about 1039.8125293865.

The spelling of 1124255805 in words is "one billion, one hundred twenty-four million, two hundred fifty-five thousand, eight hundred five".