1121151360 has 384 divisors, whose sum is σ = 4407942240. Its totient is φ = 240844800.

The previous prime is 1121151349. The next prime is 1121151371. The reversal of 1121151360 is 631511211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121151349) and next prime (1121151371).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1599010 + ... + 1599710.

Almost surely, 2^1121151360 is an apocalyptic number.

1121151360 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 1121151360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203971120).

1121151360 is an abundant number, since it is smaller than the sum of its proper divisors (3286790880).

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

1121151360 is a wasteful number, since it uses less digits than its factorization.

1121151360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1121151360 is about 33483.5983729348. The cubic root of 1121151360 is about 1038.8545574279.

Adding to 1121151360 its reverse (631511211), we get a palindrome (1752662571).

The spelling of 1121151360 in words is "one billion, one hundred twenty-one million, one hundred fifty-one thousand, three hundred sixty".