1612149 has 24 divisors (see below), whose sum is σ = 2730528. Its totient is φ = 836640.

The previous prime is 1612141. The next prime is 1612157. The reversal of 1612149 is 9412161.

It is an interprime number because it is at equal distance from previous prime (1612141) and next prime (1612157).

It is not a de Polignac number, because 1612149 - 2³ = 1612141 is a prime.

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

1612149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1119 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (113772).

2^1612149 is an apocalyptic number.

It is an amenable number.

1612149 is a deficient number, since it is larger than the sum of its proper divisors (1118379).

1612149 is a wasteful number, since it uses less digits than its factorization.

1612149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1018 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 1612149 is about 1269.7042962832. The cubic root of 1612149 is about 117.2559958321.

The spelling of 1612149 in words is "one million, six hundred twelve thousand, one hundred forty-nine".