104148531 has 16 divisors (see below), whose sum is σ = 161003520. Its totient is φ = 66413160.

The previous prime is 104148529. The next prime is 104148547. The reversal of 104148531 is 135841401.

It is a happy number.

It is not a de Polignac number, because 104148531 - 2¹ = 104148529 is a prime.

It is a super-2 number, since 2×104148531² = 21693833018915922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 104148495 and 104148504.

It is not an unprimeable number, because it can be changed into a prime (104148521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83235 + ... + 84476.

It is an arithmetic number, because the mean of its divisors is an integer number (10062720).

Almost surely, 2^104148531 is an apocalyptic number.

104148531 is a deficient number, since it is larger than the sum of its proper divisors (56854989).

104148531 is a wasteful number, since it uses less digits than its factorization.

104148531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167743 (or 167737 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 104148531 is about 10205.3187603328. The cubic root of 104148531 is about 470.4907067505.

Adding to 104148531 its reverse (135841401), we get a palindrome (239989932).

The spelling of 104148531 in words is "one hundred four million, one hundred forty-eight thousand, five hundred thirty-one".