103132290 has 16 divisors (see below), whose sum is σ = 247517568. Its totient is φ = 27501936.

The previous prime is 103132277. The next prime is 103132291. The reversal of 103132290 is 92231301.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103132291) 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, 1718842 + ... + 1718901.

It is an arithmetic number, because the mean of its divisors is an integer number (15469848).

Almost surely, 2^103132290 is an apocalyptic number.

103132290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103132290 is an abundant number, since it is smaller than the sum of its proper divisors (144385278).

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

103132290 is a wasteful number, since it uses less digits than its factorization.

103132290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437753.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 103132290 is about 10155.4069342395. The cubic root of 103132290 is about 468.9554136158.

Adding to 103132290 its reverse (92231301), we get a palindrome (195363591).

The spelling of 103132290 in words is "one hundred three million, one hundred thirty-two thousand, two hundred ninety".