1123096890 has 32 divisors (see below), whose sum is σ = 2768284800. Its totient is φ = 291397824.

The previous prime is 1123096879. The next prime is 1123096901. The reversal of 1123096890 is 986903211.

It is an interprime number because it is at equal distance from previous prime (1123096879) and next prime (1123096901).

It is a super-2 number, since 2×1123096890² = 2522693248655344200, which contains 22 as substring.

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, 504790 + ... + 507009.

It is an arithmetic number, because the mean of its divisors is an integer number (86508900).

Almost surely, 2^1123096890 is an apocalyptic number.

1123096890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123096890 is an abundant number, since it is smaller than the sum of its proper divisors (1645187910).

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

1123096890 is a wasteful number, since it uses less digits than its factorization.

1123096890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011846.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1123096890 is about 33512.6377654759. The cubic root of 1123096890 is about 1039.4551170617.

The spelling of 1123096890 in words is "one billion, one hundred twenty-three million, ninety-six thousand, eight hundred ninety".