1201740 has 24 divisors (see below), whose sum is σ = 3365040. Its totient is φ = 320448.

The previous prime is 1201729. The next prime is 1201787. The reversal of 1201740 is 471021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 9955 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (140210).

2^1201740 is an apocalyptic number.

1201740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201740 is an abundant number, since it is smaller than the sum of its proper divisors (2163300).

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

1201740 is a wasteful number, since it uses less digits than its factorization.

1201740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041 (or 20039 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1201740 is about 1096.2390250306. The cubic root of 1201740 is about 106.3171939442.

Adding to 1201740 its reverse (471021), we get a palindrome (1672761).

The spelling of 1201740 in words is "one million, two hundred one thousand, seven hundred forty".