2142069 has 12 divisors (see below), whose sum is σ = 2955168. Its totient is φ = 1380120.

The previous prime is 2142067. The next prime is 2142073. The reversal of 2142069 is 9602412.

It is not a de Polignac number, because 2142069 - 2¹ = 2142067 is a prime.

It is a super-2 number, since 2×2142069² = 9176919201522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2512 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (246264).

2^2142069 is an apocalyptic number.

It is an amenable number.

2142069 is a deficient number, since it is larger than the sum of its proper divisors (813099).

2142069 is an equidigital number, since it uses as much as digits as its factorization.

2142069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2142069 is about 1463.5808826300. The cubic root of 2142069 is about 128.9073910165.

The spelling of 2142069 in words is "two million, one hundred forty-two thousand, sixty-nine".