1121433040 has 80 divisors (see below), whose sum is σ = 3209044608. Its totient is φ = 354912768.

The previous prime is 1121433013. The next prime is 1121433043. The reversal of 1121433040 is 403341211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1121433040² = 2515224126407283200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121432999 and 1121433017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121433043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69742 + ... + 84301.

Almost surely, 2^1121433040 is an apocalyptic number.

1121433040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121433040 is an abundant number, since it is smaller than the sum of its proper divisors (2087611568).

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

1121433040 is a wasteful number, since it uses less digits than its factorization.

1121433040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154076 (or 154070 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1121433040 is about 33487.8043472545. The cubic root of 1121433040 is about 1038.9415513460.

Adding to 1121433040 its reverse (403341211), we get a palindrome (1524774251).

The spelling of 1121433040 in words is "one billion, one hundred twenty-one million, four hundred thirty-three thousand, forty".