1151480 has 32 divisors (see below), whose sum is σ = 2827440. Its totient is φ = 418560.

The previous prime is 1151473. The next prime is 1151483. The reversal of 1151480 is 841511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 1748.

2^1151480 is an apocalyptic number.

1151480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151480 is an abundant number, since it is smaller than the sum of its proper divisors (1675960).

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

1151480 is a wasteful number, since it uses less digits than its factorization.

1151480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1151480 is about 1073.0703611600. The cubic root of 1151480 is about 104.8138804139.

Adding to 1151480 its reverse (841511), we get a palindrome (1992991).

The spelling of 1151480 in words is "one million, one hundred fifty-one thousand, four hundred eighty".