151249103 has 4 divisors (see below), whose sum is σ = 154766568. Its totient is φ = 147731640.

The previous prime is 151249079. The next prime is 151249117. The reversal of 151249103 is 301942151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151249103 - 2²⁶ = 84140239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151249183) 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, 1758668 + ... + 1758753.

It is an arithmetic number, because the mean of its divisors is an integer number (38691642).

Almost surely, 2^151249103 is an apocalyptic number.

151249103 is a deficient number, since it is larger than the sum of its proper divisors (3517465).

151249103 is an equidigital number, since it uses as much as digits as its factorization.

151249103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517464.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 151249103 is about 12298.3374079588. The cubic root of 151249103 is about 532.8000651083.

The spelling of 151249103 in words is "one hundred fifty-one million, two hundred forty-nine thousand, one hundred three".