1121455110 has 32 divisors (see below), whose sum is σ = 2735619552. Its totient is φ = 294151680.

The previous prime is 1121455087. The next prime is 1121455117. The reversal of 1121455110 is 115541211.

It is a super-2 number, since 2×1121455110² = 2515323127490224200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121455117) 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, 304579 + ... + 308238.

It is an arithmetic number, because the mean of its divisors is an integer number (85488111).

Almost surely, 2^1121455110 is an apocalyptic number.

1121455110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121455110 is an abundant number, since it is smaller than the sum of its proper divisors (1614164442).

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

1121455110 is a wasteful number, since it uses less digits than its factorization.

1121455110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612888.

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

The square root of 1121455110 is about 33488.1338685810. The cubic root of 1121455110 is about 1038.9483668189.

Adding to 1121455110 its reverse (115541211), we get a palindrome (1236996321).

The spelling of 1121455110 in words is "one billion, one hundred twenty-one million, four hundred fifty-five thousand, one hundred ten".