1429155 has 48 divisors (see below), whose sum is σ = 3057600. Its totient is φ = 601344.

The previous prime is 1429133. The next prime is 1429163. The reversal of 1429155 is 5519241.

It is not a de Polignac number, because 1429155 - 2⁷ = 1429027 is a prime.

1429155 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3921 + ... + 4269.

It is an arithmetic number, because the mean of its divisors is an integer number (63700).

2^1429155 is an apocalyptic number.

1429155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1429155 is an abundant number, since it is smaller than the sum of its proper divisors (1628445).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429155 is a wasteful number, since it uses less digits than its factorization.

1429155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 377 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1429155 is about 1195.4727098516. The cubic root of 1429155 is about 112.6401216986.

The spelling of 1429155 in words is "one million, four hundred twenty-nine thousand, one hundred fifty-five".