1123470390 has 64 divisors (see below), whose sum is σ = 3085102080. Its totient is φ = 256494720.

The previous prime is 1123470329. The next prime is 1123470401. The reversal of 1123470390 is 930743211.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 213916 + ... + 219104.

It is an arithmetic number, because the mean of its divisors is an integer number (48204720).

Almost surely, 2^1123470390 is an apocalyptic number.

1123470390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123470390 is an abundant number, since it is smaller than the sum of its proper divisors (1961631690).

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

1123470390 is a wasteful number, since it uses less digits than its factorization.

1123470390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1123470390 is about 33518.2098268986. The cubic root of 1123470390 is about 1039.5703322493.

The spelling of 1123470390 in words is "one billion, one hundred twenty-three million, four hundred seventy thousand, three hundred ninety".