1121051154 has 16 divisors (see below), whose sum is σ = 2242467360. Its totient is φ = 373622880.

The previous prime is 1121051147. The next prime is 1121051161. The reversal of 1121051154 is 4511501211.

It is an interprime number because it is at equal distance from previous prime (1121051147) and next prime (1121051161).

It is a self number, because there is not a number n which added to its sum of digits gives 1121051154.

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, 40294 + ... + 62174.

It is an arithmetic number, because the mean of its divisors is an integer number (140154210).

Almost surely, 2^1121051154 is an apocalyptic number.

1121051154 is an abundant number, since it is smaller than the sum of its proper divisors (1121416206).

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

1121051154 is a wasteful number, since it uses less digits than its factorization.

1121051154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30425.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1121051154 is about 33482.1019949465. The cubic root of 1121051154 is about 1038.8236063405.

Adding to 1121051154 its reverse (4511501211), we get a palindrome (5632552365).

The spelling of 1121051154 in words is "one billion, one hundred twenty-one million, fifty-one thousand, one hundred fifty-four".