1201445726 has 16 divisors (see below), whose sum is σ = 2054962224. Its totient is φ = 521894784.

The previous prime is 1201445717. The next prime is 1201445731. The reversal of 1201445726 is 6275441021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1201445692 and 1201445701.

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, 1358660 + ... + 1359543.

It is an arithmetic number, because the mean of its divisors is an integer number (128435139).

Almost surely, 2^1201445726 is an apocalyptic number.

1201445726 is a deficient number, since it is larger than the sum of its proper divisors (853516498).

1201445726 is a wasteful number, since it uses less digits than its factorization.

1201445726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718235.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1201445726 is about 34661.8771274725. The cubic root of 1201445726 is about 1063.0851515622.

Adding to 1201445726 its reverse (6275441021), we get a palindrome (7476886747).

The spelling of 1201445726 in words is "one billion, two hundred one million, four hundred forty-five thousand, seven hundred twenty-six".