1162990 has 16 divisors (see below), whose sum is σ = 2203920. Its totient is φ = 440640.

The previous prime is 1162981. The next prime is 1162991. The reversal of 1162990 is 992611.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162991) 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, 2871 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (137745).

2^1162990 is an apocalyptic number.

1162990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1162990 is a deficient number, since it is larger than the sum of its proper divisors (1040930).

1162990 is a wasteful number, since it uses less digits than its factorization.

1162990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1162990 is about 1078.4201407615. The cubic root of 1162990 is about 105.1619571659.

It can be divided in two parts, 11 and 62990, that added together give a square (63001 = 251²).

The spelling of 1162990 in words is "one million, one hundred sixty-two thousand, nine hundred ninety".