1121203030 has 16 divisors (see below), whose sum is σ = 2023360560. Its totient is φ = 447326752.

The previous prime is 1121203003. The next prime is 1121203073. The reversal of 1121203030 is 303021211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121203030.

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, 140224 + ... + 148003.

It is an arithmetic number, because the mean of its divisors is an integer number (126460035).

Almost surely, 2^1121203030 is an apocalyptic number.

1121203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121203030 is a deficient number, since it is larger than the sum of its proper divisors (902157530).

1121203030 is a wasteful number, since it uses less digits than its factorization.

1121203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288623.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1121203030 is about 33484.3699358372. The cubic root of 1121203030 is about 1038.8705162575.

Adding to 1121203030 its reverse (303021211), we get a palindrome (1424224241).

The spelling of 1121203030 in words is "one billion, one hundred twenty-one million, two hundred three thousand, thirty".