9121415103 has 20 divisors (see below), whose sum is σ = 13685346840. Its totient is φ = 6054376752.

The previous prime is 9121415089. The next prime is 9121415117. The reversal of 9121415103 is 3015141219.

It is a happy number.

9121415103 is a `hidden beast` number, since 9 + 1 + 2 + 141 + 510 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (9121415089) and next prime (9121415117).

It is not a de Polignac number, because 9121415103 - 2⁴ = 9121415087 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121415123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227325 + ... + 264422.

It is an arithmetic number, because the mean of its divisors is an integer number (684267342).

Almost surely, 2^9121415103 is an apocalyptic number.

9121415103 is a deficient number, since it is larger than the sum of its proper divisors (4563931737).

9121415103 is a wasteful number, since it uses less digits than its factorization.

9121415103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491988 (or 491979 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 9121415103 is about 95506.0998209015. The cubic root of 9121415103 is about 2089.3959093685.

The spelling of 9121415103 in words is "nine billion, one hundred twenty-one million, four hundred fifteen thousand, one hundred three".