1288951 has 2 divisors, whose sum is σ = 1288952. Its totient is φ = 1288950.

The previous prime is 1288939. The next prime is 1288967. The reversal of 1288951 is 1598821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1288951 - 2⁵ = 1288919 is a prime.

It is a super-2 number, since 2×1288951² = 3322789360802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1288921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644475 + 644476.

It is an arithmetic number, because the mean of its divisors is an integer number (644476).

2^1288951 is an apocalyptic number.

1288951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288951 is an equidigital number, since it uses as much as digits as its factorization.

1288951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 34.

The square root of 1288951 is about 1135.3197787408. The cubic root of 1288951 is about 108.8292081598.

The spelling of 1288951 in words is "one million, two hundred eighty-eight thousand, nine hundred fifty-one".