103121534 has 8 divisors (see below), whose sum is σ = 154966728. Its totient is φ = 51465960.

The previous prime is 103121533. The next prime is 103121563. The reversal of 103121534 is 435121301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46037 + ... + 48224.

It is an arithmetic number, because the mean of its divisors is an integer number (19370841).

Almost surely, 2^103121534 is an apocalyptic number.

103121534 is a deficient number, since it is larger than the sum of its proper divisors (51845194).

103121534 is an equidigital number, since it uses as much as digits as its factorization.

103121534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94810.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103121534 is about 10154.8773503179. The cubic root of 103121534 is about 468.9391100902.

Adding to 103121534 its reverse (435121301), we get a palindrome (538242835).

The spelling of 103121534 in words is "one hundred three million, one hundred twenty-one thousand, five hundred thirty-four".