1121028745430 has 16 divisors (see below), whose sum is σ = 2201292809424. Its totient is φ = 407646816480.

The previous prime is 1121028745399. The next prime is 1121028745513. The reversal of 1121028745430 is 345478201211.

It is a happy number.

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, 5095585097 + ... + 5095585316.

It is an arithmetic number, because the mean of its divisors is an integer number (137580800589).

Almost surely, 2^{1121028745430} is an apocalyptic number.

1121028745430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121028745430 is a deficient number, since it is larger than the sum of its proper divisors (1080264063994).

1121028745430 is a wasteful number, since it uses less digits than its factorization.

1121028745430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191170431.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 1121028745430 in words is "one trillion, one hundred twenty-one billion, twenty-eight million, seven hundred forty-five thousand, four hundred thirty".