1121950269 has 24 divisors (see below), whose sum is σ = 1801287072. Its totient is φ = 667137120.

The previous prime is 1121950253. The next prime is 1121950279. The reversal of 1121950269 is 9620591211.

It is not a de Polignac number, because 1121950269 - 2⁴ = 1121950253 is a prime.

It is a super-2 number, since 2×1121950269² = 2517544812218344722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121950229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101667 + ... + 112160.

It is an arithmetic number, because the mean of its divisors is an integer number (75053628).

Almost surely, 2^1121950269 is an apocalyptic number.

It is an amenable number.

1121950269 is a deficient number, since it is larger than the sum of its proper divisors (679336803).

1121950269 is a wasteful number, since it uses less digits than its factorization.

1121950269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213897 (or 213894 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 1121950269 is about 33495.5261042426. The cubic root of 1121950269 is about 1039.1012541804.

The spelling of 1121950269 in words is "one billion, one hundred twenty-one million, nine hundred fifty thousand, two hundred sixty-nine".