1320137 has 16 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 1026432.

The previous prime is 1320127. The next prime is 1320149. The reversal of 1320137 is 7310231.

It is a cyclic number.

It is not a de Polignac number, because 1320137 - 2¹² = 1316041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8018 + ... + 8180.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1320137 is an apocalyptic number.

It is an amenable number.

1320137 is a deficient number, since it is larger than the sum of its proper divisors (332983).

1320137 is a wasteful number, since it uses less digits than its factorization.

1320137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1320137 is about 1148.9721493579. The cubic root of 1320137 is about 109.6999259603.

Adding to 1320137 its reverse (7310231), we get a palindrome (8630368).

The spelling of 1320137 in words is "one million, three hundred twenty thousand, one hundred thirty-seven".