1103901972 has 48 divisors (see below), whose sum is σ = 2654007552. Its totient is φ = 356930560.

The previous prime is 1103901947. The next prime is 1103901979. The reversal of 1103901972 is 2791093011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103901979) 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, 55072 + ... + 72392.

It is an arithmetic number, because the mean of its divisors is an integer number (55291824).

Almost surely, 2^1103901972 is an apocalyptic number.

1103901972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1103901972 is an abundant number, since it is smaller than the sum of its proper divisors (1550105580).

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

1103901972 is a wasteful number, since it uses less digits than its factorization.

1103901972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17488 (or 17486 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1103901972 is about 33225.0202708742. The cubic root of 1103901972 is about 1033.4992593305.

Adding to 1103901972 its reverse (2791093011), we get a palindrome (3894994983).

The spelling of 1103901972 in words is "one billion, one hundred three million, nine hundred one thousand, nine hundred seventy-two".