1121249454 has 16 divisors (see below), whose sum is σ = 2414998992. Its totient is φ = 344999808.

The previous prime is 1121249429. The next prime is 1121249483. The reversal of 1121249454 is 4549421211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7187419 + ... + 7187574.

It is an arithmetic number, because the mean of its divisors is an integer number (150937437).

Almost surely, 2^1121249454 is an apocalyptic number.

1121249454 is an abundant number, since it is smaller than the sum of its proper divisors (1293749538).

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

1121249454 is a wasteful number, since it uses less digits than its factorization.

1121249454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14375011.

The product of its digits is 11520, while the sum is 33.

The square root of 1121249454 is about 33485.0631476185. The cubic root of 1121249454 is about 1038.8848543860.

The spelling of 1121249454 in words is "one billion, one hundred twenty-one million, two hundred forty-nine thousand, four hundred fifty-four".