1251364 has 6 divisors (see below), whose sum is σ = 2189894. Its totient is φ = 625680.

The previous prime is 1251329. The next prime is 1251409. The reversal of 1251364 is 4631521.

It can be written as a sum of positive squares in only one way, i.e., 627264 + 624100 = 792^2 + 790^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156417 + ... + 156424.

2^1251364 is an apocalyptic number.

It is an amenable number.

1251364 is a deficient number, since it is larger than the sum of its proper divisors (938530).

1251364 is a wasteful number, since it uses less digits than its factorization.

1251364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312845 (or 312843 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1251364 is about 1118.6438217771. The cubic root of 1251364 is about 107.7609022440.

Adding to 1251364 its reverse (4631521), we get a palindrome (5882885).

The spelling of 1251364 in words is "one million, two hundred fifty-one thousand, three hundred sixty-four".