1201153745 has 32 divisors (see below), whose sum is σ = 1649894400. Its totient is φ = 831456000.

The previous prime is 1201153741. The next prime is 1201153763. The reversal of 1201153745 is 5473511021.

1201153745 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 1201153745 - 2² = 1201153741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201153741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98231 + ... + 109779.

It is an arithmetic number, because the mean of its divisors is an integer number (51559200).

Almost surely, 2^1201153745 is an apocalyptic number.

It is an amenable number.

1201153745 is a deficient number, since it is larger than the sum of its proper divisors (448740655).

1201153745 is a wasteful number, since it uses less digits than its factorization.

1201153745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1201153745 is about 34657.6650252148. The cubic root of 1201153745 is about 1062.9990259311. Note that the first 3 decimals are identical.

Adding to 1201153745 its reverse (5473511021), we get a palindrome (6674664766).

It can be divided in two parts, 12011 and 53745, that added together give a palindrome (65756).

The spelling of 1201153745 in words is "one billion, two hundred one million, one hundred fifty-three thousand, seven hundred forty-five".