1201964 has 6 divisors (see below), whose sum is σ = 2103444. Its totient is φ = 600980.

The previous prime is 1201961. The next prime is 1201969. The reversal of 1201964 is 4691021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1201961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150242 + ... + 150249.

It is an arithmetic number, because the mean of its divisors is an integer number (350574).

2^1201964 is an apocalyptic number.

It is an amenable number.

1201964 is a deficient number, since it is larger than the sum of its proper divisors (901480).

1201964 is a wasteful number, since it uses less digits than its factorization.

1201964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300495 (or 300493 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1201964 is about 1096.3411877696. The cubic root of 1201964 is about 106.3237992476.

Adding to 1201964 its reverse (4691021), we get a palindrome (5892985).

The spelling of 1201964 in words is "one million, two hundred one thousand, nine hundred sixty-four".