1201790 has 16 divisors (see below), whose sum is σ = 2210112. Its totient is φ = 470304.

The previous prime is 1201787. The next prime is 1201793. The reversal of 1201790 is 971021.

It is an interprime number because it is at equal distance from previous prime (1201787) and next prime (1201793).

It is a Curzon number.

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 (1201793) 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, 809 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (138132).

2^1201790 is an apocalyptic number.

1201790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201790 is a deficient number, since it is larger than the sum of its proper divisors (1008322).

1201790 is a wasteful number, since it uses less digits than its factorization.

1201790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1201790 is about 1096.2618300388. The cubic root of 1201790 is about 106.3186684134.

It can be divided in two parts, 1201 and 790, that added together give a palindrome (1991).

The spelling of 1201790 in words is "one million, two hundred one thousand, seven hundred ninety".