103040690 has 16 divisors (see below), whose sum is σ = 193537728. Its totient is φ = 39424176.

The previous prime is 103040687. The next prime is 103040699. The reversal of 103040690 is 96040301.

It is a super-4 number, since 4×103040690⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (103040699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223772 + ... + 224231.

It is an arithmetic number, because the mean of its divisors is an integer number (12096108).

Almost surely, 2^103040690 is an apocalyptic number.

103040690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103040690 is a deficient number, since it is larger than the sum of its proper divisors (90497038).

103040690 is a wasteful number, since it uses less digits than its factorization.

103040690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448033.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 103040690 is about 10150.8960195640. The cubic root of 103040690 is about 468.8165336077.

Adding to 103040690 its reverse (96040301), we get a palindrome (199080991).

The spelling of 103040690 in words is "one hundred three million, forty thousand, six hundred ninety".