1120121430 has 32 divisors (see below), whose sum is σ = 2693157984. Its totient is φ = 298158336.

The previous prime is 1120121407. The next prime is 1120121479. The reversal of 1120121430 is 341210211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16807 + ... + 50226.

It is an arithmetic number, because the mean of its divisors is an integer number (84161187).

Almost surely, 2^1120121430 is an apocalyptic number.

1120121430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120121430 is an abundant number, since it is smaller than the sum of its proper divisors (1573036554).

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

1120121430 is a wasteful number, since it uses less digits than its factorization.

1120121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67600.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1120121430 is about 33468.2152198171. The cubic root of 1120121430 is about 1038.5363502377.

Adding to 1120121430 its reverse (341210211), we get a palindrome (1461331641).

The spelling of 1120121430 in words is "one billion, one hundred twenty million, one hundred twenty-one thousand, four hundred thirty".