1230951 has 4 divisors (see below), whose sum is σ = 1641272. Its totient is φ = 820632.

The previous prime is 1230949. The next prime is 1230967. The reversal of 1230951 is 1590321.

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

It is not a de Polignac number, because 1230951 - 2¹ = 1230949 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205156 + ... + 205161.

It is an arithmetic number, because the mean of its divisors is an integer number (410318).

2^1230951 is an apocalyptic number.

1230951 is a deficient number, since it is larger than the sum of its proper divisors (410321).

1230951 is an equidigital number, since it uses as much as digits as its factorization.

1230951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410320.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1230951 is about 1109.4823117112. The cubic root of 1230951 is about 107.1717334231.

The spelling of 1230951 in words is "one million, two hundred thirty thousand, nine hundred fifty-one".