1149072 has 40 divisors (see below), whose sum is σ = 3053376. Its totient is φ = 372096.

The previous prime is 1149061. The next prime is 1149131. The reversal of 1149072 is 2709411.

It is a super-2 number, since 2×1149072² = 2640732922368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 2099.

2^1149072 is an apocalyptic number.

1149072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526688).

1149072 is an abundant number, since it is smaller than the sum of its proper divisors (1904304).

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

1149072 is a wasteful number, since it uses less digits than its factorization.

1149072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1149072 is about 1071.9477599212. The cubic root of 1149072 is about 104.7407664028.

The spelling of 1149072 in words is "one million, one hundred forty-nine thousand, seventy-two".