1121413894 has 4 divisors (see below), whose sum is σ = 1682120844. Its totient is φ = 560706946.

The previous prime is 1121413879. The next prime is 1121413897. The reversal of 1121413894 is 4983141211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121413897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280353472 + ... + 280353475.

It is an arithmetic number, because the mean of its divisors is an integer number (420530211).

Almost surely, 2^1121413894 is an apocalyptic number.

1121413894 is a deficient number, since it is larger than the sum of its proper divisors (560706950).

1121413894 is an equidigital number, since it uses as much as digits as its factorization.

1121413894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560706949.

The product of its digits is 6912, while the sum is 34.

The square root of 1121413894 is about 33487.5184807713. The cubic root of 1121413894 is about 1038.9356387659.

The spelling of 1121413894 in words is "one billion, one hundred twenty-one million, four hundred thirteen thousand, eight hundred ninety-four".