1253969 has 2 divisors, whose sum is σ = 1253970. Its totient is φ = 1253968.

The previous prime is 1253963. The next prime is 1253999. The reversal of 1253969 is 9693521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 70225 = 1088^2 + 265^2 .

It is an emirp because it is prime and its reverse (9693521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253969 - 2⁴ = 1253953 is a prime.

It is a super-2 number, since 2×1253969² = 3144876505922, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1253963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626984 + 626985.

It is an arithmetic number, because the mean of its divisors is an integer number (626985).

2^1253969 is an apocalyptic number.

It is an amenable number.

1253969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253969 is an equidigital number, since it uses as much as digits as its factorization.

1253969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 35.

The square root of 1253969 is about 1119.8075727552. The cubic root of 1253969 is about 107.8356267268.

It can be divided in two parts, 1253 and 969, that added together give a palindrome (2222).

The spelling of 1253969 in words is "one million, two hundred fifty-three thousand, nine hundred sixty-nine".