1121400430 has 32 divisors (see below), whose sum is σ = 2077034400. Its totient is φ = 435655680.

The previous prime is 1121400419. The next prime is 1121400473. The reversal of 1121400430 is 340041211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87046 + ... + 99094.

It is an arithmetic number, because the mean of its divisors is an integer number (64907325).

Almost surely, 2^1121400430 is an apocalyptic number.

1121400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121400430 is a deficient number, since it is larger than the sum of its proper divisors (955633970).

1121400430 is a wasteful number, since it uses less digits than its factorization.

1121400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1121400430 is about 33487.3174500437. The cubic root of 1121400430 is about 1038.9314808347.

Adding to 1121400430 its reverse (340041211), we get a palindrome (1461441641).

The spelling of 1121400430 in words is "one billion, one hundred twenty-one million, four hundred thousand, four hundred thirty".