2770129 has 8 divisors (see below), whose sum is σ = 2880512. Its totient is φ = 2661120.

The previous prime is 2770121. The next prime is 2770169. The reversal of 2770129 is 9210772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2770129 - 2³ = 2770121 is a prime.

It is a super-2 number, since 2×2770129² = 15347229353282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2770097 and 2770106.

It is not an unprimeable number, because it can be changed into a prime (2770121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (360064).

2^2770129 is an apocalyptic number.

It is an amenable number.

2770129 is a deficient number, since it is larger than the sum of its proper divisors (110383).

2770129 is a wasteful number, since it uses less digits than its factorization.

2770129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2770129 is about 1664.3704515522. The cubic root of 2770129 is about 140.4429676959.

It can be divided in two parts, 27701 and 29, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 2770129 in words is "two million, seven hundred seventy thousand, one hundred twenty-nine".