1429111 has 4 divisors (see below), whose sum is σ = 1441872. Its totient is φ = 1416352.

The previous prime is 1429097. The next prime is 1429117. The reversal of 1429111 is 1119241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1429111 - 2¹³ = 1420919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6211 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (360468).

2^1429111 is an apocalyptic number.

1429111 is a deficient number, since it is larger than the sum of its proper divisors (12761).

1429111 is a wasteful number, since it uses less digits than its factorization.

1429111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760.

The product of its digits is 72, while the sum is 19.

The square root of 1429111 is about 1195.4543069478. The cubic root of 1429111 is about 112.6389657204.

It can be divided in two parts, 1429 and 111, that added together give a triangular number (1540 = T₅₅).

The spelling of 1429111 in words is "one million, four hundred twenty-nine thousand, one hundred eleven".