1121014400 has 96 divisors (see below), whose sum is σ = 3021101280. Its totient is φ = 407628800.

The previous prime is 1121014399. The next prime is 1121014409. The reversal of 1121014400 is 44101211.

It is not an unprimeable number, because it can be changed into a prime (1121014409) 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, 19277 + ... + 51123.

It is an arithmetic number, because the mean of its divisors is an integer number (31469805).

Almost surely, 2^1121014400 is an apocalyptic number.

1121014400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121014400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510550640).

1121014400 is an abundant number, since it is smaller than the sum of its proper divisors (1900086880).

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

1121014400 is a wasteful number, since it uses less digits than its factorization.

1121014400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31882 (or 31865 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1121014400 is about 33481.5531300446. The cubic root of 1121014400 is about 1038.8122535014.

Adding to 1121014400 its reverse (44101211), we get a palindrome (1165115611).

The spelling of 1121014400 in words is "one billion, one hundred twenty-one million, fourteen thousand, four hundred".