1102122440 has 16 divisors (see below), whose sum is σ = 2479775580. Its totient is φ = 440848960.

The previous prime is 1102122347. The next prime is 1102122451. The reversal of 1102122440 is 442212011.

It can be written as a sum of positive squares in 2 ways, for example, as 1048334884 + 53787556 = 32378^2 + 7334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13776491 + ... + 13776570.

Almost surely, 2^1102122440 is an apocalyptic number.

1102122440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102122440 is an abundant number, since it is smaller than the sum of its proper divisors (1377653140).

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

1102122440 is a wasteful number, since it uses less digits than its factorization.

1102122440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27553072 (or 27553068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1102122440 is about 33198.2294708618. The cubic root of 1102122440 is about 1032.9436139339.

Adding to 1102122440 its reverse (442212011), we get a palindrome (1544334451).

The spelling of 1102122440 in words is "one billion, one hundred two million, one hundred twenty-two thousand, four hundred forty".