1121234430 has 16 divisors (see below), whose sum is σ = 2690962704. Its totient is φ = 298995840.

The previous prime is 1121234423. The next prime is 1121234437. The reversal of 1121234430 is 344321211.

It is an interprime number because it is at equal distance from previous prime (1121234423) and next prime (1121234437).

It is a junction number, because it is equal to n+sod(n) for n = 1121234397 and 1121234406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121234437) 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, 18687211 + ... + 18687270.

It is an arithmetic number, because the mean of its divisors is an integer number (168185169).

Almost surely, 2^1121234430 is an apocalyptic number.

1121234430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121234430 is an abundant number, since it is smaller than the sum of its proper divisors (1569728274).

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

1121234430 is a wasteful number, since it uses less digits than its factorization.

1121234430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37374491.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1121234430 is about 33484.8388080337. The cubic root of 1121234430 is about 1038.8802142423.

Adding to 1121234430 its reverse (344321211), we get a palindrome (1465555641).

The spelling of 1121234430 in words is "one billion, one hundred twenty-one million, two hundred thirty-four thousand, four hundred thirty".