1149742 has 12 divisors (see below), whose sum is σ = 1896048. Its totient is φ = 522500.

The previous prime is 1149737. The next prime is 1149749. The reversal of 1149742 is 2479411.

It is a self number, because there is not a number n which added to its sum of digits gives 1149742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2134 + ... + 2617.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^1149742 is an apocalyptic number.

1149742 is a deficient number, since it is larger than the sum of its proper divisors (746306).

1149742 is a wasteful number, since it uses less digits than its factorization.

1149742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775 (or 4764 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1149742 is about 1072.2602296085. The cubic root of 1149742 is about 104.7611198354.

It can be divided in two parts, 1149 and 742, that added together give a triangular number (1891 = T₆₁).

The spelling of 1149742 in words is "one million, one hundred forty-nine thousand, seven hundred forty-two".