1122341989 has 16 divisors (see below), whose sum is σ = 1271436480. Its totient is φ = 984303360.

The previous prime is 1122341981. The next prime is 1122342007. The reversal of 1122341989 is 9891432211.

It is a happy number.

It is not a de Polignac number, because 1122341989 - 2³ = 1122341981 is a prime.

It is a super-2 number, since 2×1122341989² = 2519303080544952242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122341981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8779 + ... + 48184.

It is an arithmetic number, because the mean of its divisors is an integer number (79464780).

Almost surely, 2^1122341989 is an apocalyptic number.

1122341989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1122341989 is a deficient number, since it is larger than the sum of its proper divisors (149094491).

1122341989 is a wasteful number, since it uses less digits than its factorization.

1122341989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57060.

The product of its digits is 31104, while the sum is 40.

The square root of 1122341989 is about 33501.3729420154. The cubic root of 1122341989 is about 1039.2221714178. Note that the first 3 decimals are identical.

The spelling of 1122341989 in words is "one billion, one hundred twenty-two million, three hundred forty-one thousand, nine hundred eighty-nine".