1270129 has 15 divisors (see below), whose sum is σ = 1548953. Its totient is φ = 1041348.

The previous prime is 1270123. The next prime is 1270141. The reversal of 1270129 is 9210721.

The square root of 1270129 is 1127.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1270129 - 2⁵ = 1270097 is a prime.

It is a super-2 number, since 2×1270129² = 3226455353282, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1270123) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 55212 + ... + 55234.

2^1270129 is an apocalyptic number.

1270129 is the 1127-th square number.

1270129 is the 564-th centered octagonal number.

It is an amenable number.

1270129 is a deficient number, since it is larger than the sum of its proper divisors (278824).

1270129 is an frugal number, since it uses more digits than its factorization.

1270129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The cubic root of 1270129 is about 108.2968797797.

The spelling of 1270129 in words is "one million, two hundred seventy thousand, one hundred twenty-nine".