103000557 has 8 divisors (see below), whose sum is σ = 149819040. Its totient is φ = 62424560.

The previous prime is 103000553. The next prime is 103000561. The reversal of 103000557 is 755000301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103000553) and next prime (103000561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103000557 - 2² = 103000553 is a prime.

It is a super-2 number, since 2×103000557² = 21218229484620498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103000553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560582 + ... + 1560647.

It is an arithmetic number, because the mean of its divisors is an integer number (18727380).

Almost surely, 2^103000557 is an apocalyptic number.

It is an amenable number.

103000557 is a deficient number, since it is larger than the sum of its proper divisors (46818483).

103000557 is a wasteful number, since it uses less digits than its factorization.

103000557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121243.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 103000557 is about 10148.9190064755. The cubic root of 103000557 is about 468.7556597361.

Adding to 103000557 its reverse (755000301), we get a palindrome (858000858).

The spelling of 103000557 in words is "one hundred three million, five hundred fifty-seven", and thus it is an aban number.