1103372420 has 24 divisors (see below), whose sum is σ = 2453381784. Its totient is φ = 415387136.

The previous prime is 1103372411. The next prime is 1103372441. The reversal of 1103372420 is 242733011.

It can be written as a sum of positive squares in 4 ways, for example, as 131928196 + 971444224 = 11486^2 + 31168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622267 + ... + 1622946.

It is an arithmetic number, because the mean of its divisors is an integer number (102224241).

Almost surely, 2^1103372420 is an apocalyptic number.

1103372420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103372420 is an abundant number, since it is smaller than the sum of its proper divisors (1350009364).

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

1103372420 is a wasteful number, since it uses less digits than its factorization.

1103372420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245239 (or 3245237 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1103372420 is about 33217.0501399507. The cubic root of 1103372420 is about 1033.3339731757. Note that the first 3 decimals are identical.

The spelling of 1103372420 in words is "one billion, one hundred three million, three hundred seventy-two thousand, four hundred twenty".