1154969 has 2 divisors, whose sum is σ = 1154970. Its totient is φ = 1154968.

The previous prime is 1154947. The next prime is 1154971. The reversal of 1154969 is 9694511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648025 + 506944 = 805^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1154969 - 2¹² = 1150873 is a prime.

It is a super-2 number, since 2×1154969² = 2667906781922, which contains 22 as substring.

Together with 1154971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1154369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577484 + 577485.

It is an arithmetic number, because the mean of its divisors is an integer number (577485).

2^1154969 is an apocalyptic number.

It is an amenable number.

1154969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154969 is an equidigital number, since it uses as much as digits as its factorization.

1154969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 1154969 is about 1074.6948404082. The cubic root of 1154969 is about 104.9196361645.

The spelling of 1154969 in words is "one million, one hundred fifty-four thousand, nine hundred sixty-nine".