103072451 has 2 divisors, whose sum is σ = 103072452. Its totient is φ = 103072450.

The previous prime is 103072429. The next prime is 103072477. The reversal of 103072451 is 154270301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103072451 - 2¹⁰ = 103071427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (103072421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51536225 + 51536226.

It is an arithmetic number, because the mean of its divisors is an integer number (51536226).

Almost surely, 2^103072451 is an apocalyptic number.

103072451 is a deficient number, since it is larger than the sum of its proper divisors (1).

103072451 is an equidigital number, since it uses as much as digits as its factorization.

103072451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 103072451 is about 10152.4603422028. The cubic root of 103072451 is about 468.8646975977.

The spelling of 103072451 in words is "one hundred three million, seventy-two thousand, four hundred fifty-one".