1121400010 has 24 divisors (see below), whose sum is σ = 2066588100. Its totient is φ = 438121152.

The previous prime is 1121400001. The next prime is 1121400017. The reversal of 1121400010 is 100041211.

It can be written as a sum of positive squares in 2 ways, for example, as 1093426489 + 27973521 = 33067^2 + 5289^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1121400010.

It is not an unprimeable number, because it can be changed into a prime (1121400017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11835 + ... + 48814.

Almost surely, 2^1121400010 is an apocalyptic number.

1121400010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121400010 is a deficient number, since it is larger than the sum of its proper divisors (945188090).

1121400010 is an equidigital number, since it uses as much as digits as its factorization.

1121400010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60742 (or 60699 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1121400010 is about 33487.3111790123. The cubic root of 1121400010 is about 1038.9313511304.

Adding to 1121400010 its reverse (100041211), we get a palindrome (1221441221).

The spelling of 1121400010 in words is "one billion, one hundred twenty-one million, four hundred thousand, ten".