1102421955 has 16 divisors (see below), whose sum is σ = 1764934560. Its totient is φ = 587605248.

The previous prime is 1102421939. The next prime is 1102422007. The reversal of 1102421955 is 5591242011.

It is not a de Polignac number, because 1102421955 - 2⁴ = 1102421939 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4791 + ... + 47199.

It is an arithmetic number, because the mean of its divisors is an integer number (110308410).

Almost surely, 2^1102421955 is an apocalyptic number.

1102421955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1102421955 is a deficient number, since it is larger than the sum of its proper divisors (662512605).

1102421955 is a wasteful number, since it uses less digits than its factorization.

1102421955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44150.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1102421955 is about 33202.7401730640. The cubic root of 1102421955 is about 1033.0371770667.

Adding to 1102421955 its reverse (5591242011), we get a palindrome (6693663966).

The spelling of 1102421955 in words is "one billion, one hundred two million, four hundred twenty-one thousand, nine hundred fifty-five".