1230751 has 2 divisors, whose sum is σ = 1230752. Its totient is φ = 1230750.

The previous prime is 1230743. The next prime is 1230769. The reversal of 1230751 is 1570321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230751 - 2³ = 1230743 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230791) 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 as a sum of consecutive naturals, namely, 615375 + 615376.

It is an arithmetic number, because the mean of its divisors is an integer number (615376).

2^1230751 is an apocalyptic number.

1230751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230751 is an equidigital number, since it uses as much as digits as its factorization.

1230751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1230751 is about 1109.3921759234. The cubic root of 1230751 is about 107.1659288304.

The spelling of 1230751 in words is "one million, two hundred thirty thousand, seven hundred fifty-one".