1262251 has 4 divisors (see below), whose sum is σ = 1264504. Its totient is φ = 1260000.

The previous prime is 1262237. The next prime is 1262269. The reversal of 1262251 is 1522621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1262251 - 2⁹ = 1261739 is a prime.

It is a super-3 number, since 3×1262251³ = 6033348682408797753, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1262221) 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, 451 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (316126).

2^1262251 is an apocalyptic number.

1262251 is a deficient number, since it is larger than the sum of its proper divisors (2253).

1262251 is a wasteful number, since it uses less digits than its factorization.

1262251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252.

The product of its digits is 240, while the sum is 19.

The square root of 1262251 is about 1123.4994437026. The cubic root of 1262251 is about 108.0725107479.

Adding to 1262251 its reverse (1522621), we get a palindrome (2784872).

The spelling of 1262251 in words is "one million, two hundred sixty-two thousand, two hundred fifty-one".