1201970 has 48 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 372960.

The previous prime is 1201969. The next prime is 1201999. The reversal of 1201970 is 791021.

1201970 is nontrivially palindromic in base 13.

It is a Curzon number.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5279 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2^1201970 is an apocalyptic number.

1201970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201970 is an abundant number, since it is smaller than the sum of its proper divisors (1555918).

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

1201970 is a wasteful number, since it uses less digits than its factorization.

1201970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

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

The square root of 1201970 is about 1096.3439241406. The cubic root of 1201970 is about 106.3239761641.

Adding to 1201970 its reverse (791021), we get a palindrome (1992991).

The spelling of 1201970 in words is "one million, two hundred one thousand, nine hundred seventy".