1103087550 has 48 divisors (see below), whose sum is σ = 2739168432. Its totient is φ = 293779200.

The previous prime is 1103087537. The next prime is 1103087591. The reversal of 1103087550 is 557803011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124260 + ... + 132840.

It is an arithmetic number, because the mean of its divisors is an integer number (57066009).

Almost surely, 2^1103087550 is an apocalyptic number.

1103087550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1103087550 is an abundant number, since it is smaller than the sum of its proper divisors (1636080882).

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

1103087550 is a wasteful number, since it uses less digits than its factorization.

1103087550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453 (or 9448 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1103087550 is about 33212.7618544438. The cubic root of 1103087550 is about 1033.2450363911.

The spelling of 1103087550 in words is "one billion, one hundred three million, eighty-seven thousand, five hundred fifty".