1121554330 has 16 divisors (see below), whose sum is σ = 2174090184. Its totient is φ = 414112320.

The previous prime is 1121554309. The next prime is 1121554333. The reversal of 1121554330 is 334551211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 826505001 + 295049329 = 28749^2 + 17177^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121554295 and 1121554304.

It is not an unprimeable number, because it can be changed into a prime (1121554333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313541 + ... + 4313800.

Almost surely, 2^1121554330 is an apocalyptic number.

1121554330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121554330 is a deficient number, since it is larger than the sum of its proper divisors (1052535854).

1121554330 is a wasteful number, since it uses less digits than its factorization.

1121554330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627361.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1121554330 is about 33489.6152560760. The cubic root of 1121554330 is about 1038.9790060055.

The spelling of 1121554330 in words is "one billion, one hundred twenty-one million, five hundred fifty-four thousand, three hundred thirty".