1102424240 has 20 divisors (see below), whose sum is σ = 2563136544. Its totient is φ = 440969664.

The previous prime is 1102424237. The next prime is 1102424249. The reversal of 1102424240 is 424242011.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1102424249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890072 + ... + 6890231.

Almost surely, 2^1102424240 is an apocalyptic number.

1102424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102424240 is an abundant number, since it is smaller than the sum of its proper divisors (1460712304).

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

1102424240 is a wasteful number, since it uses less digits than its factorization.

1102424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780316 (or 13780310 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1102424240 is about 33202.7745828568. The cubic root of 1102424240 is about 1033.0378907947.

Adding to 1102424240 its reverse (424242011), we get a palindrome (1526666251).

The spelling of 1102424240 in words is "one billion, one hundred two million, four hundred twenty-four thousand, two hundred forty".