103121450 has 12 divisors (see below), whose sum is σ = 191805990. Its totient is φ = 41248560.

The previous prime is 103121429. The next prime is 103121467. The reversal of 103121450 is 54121301.

It can be written as a sum of positive squares in 3 ways, for example, as 43414921 + 59706529 = 6589^2 + 7727^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1031165 + ... + 1031264.

Almost surely, 2^103121450 is an apocalyptic number.

103121450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121450 is a deficient number, since it is larger than the sum of its proper divisors (88684540).

103121450 is a wasteful number, since it uses less digits than its factorization.

103121450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062441 (or 2062436 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 103121450 is about 10154.8732143735. The cubic root of 103121450 is about 468.9389827618.

Adding to 103121450 its reverse (54121301), we get a palindrome (157242751).

The spelling of 103121450 in words is "one hundred three million, one hundred twenty-one thousand, four hundred fifty".