103111450 has 24 divisors (see below), whose sum is σ = 206541468. Its totient is φ = 38071680.

The previous prime is 103111441. The next prime is 103111453. The reversal of 103111450 is 54111301.

It can be written as a sum of positive squares in 6 ways, for example, as 48986001 + 54125449 = 6999^2 + 7357^2 .

It is a super-2 number, since 2×103111450² = 21263942242205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103111453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78667 + ... + 79966.

Almost surely, 2^103111450 is an apocalyptic number.

103111450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103111450 is an abundant number, since it is smaller than the sum of its proper divisors (103430018).

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

103111450 is a wasteful number, since it uses less digits than its factorization.

103111450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158658 (or 158653 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 103111450 is about 10154.3808279973. The cubic root of 103111450 is about 468.9238241263.

Adding to 103111450 its reverse (54111301), we get a palindrome (157222751).

The spelling of 103111450 in words is "one hundred three million, one hundred eleven thousand, four hundred fifty".