1202601641 has 16 divisors (see below), whose sum is σ = 1318696848. Its totient is φ = 1092249600.

The previous prime is 1202601623. The next prime is 1202601677. The reversal of 1202601641 is 1461062021.

It can be written as a sum of positive squares in 8 ways, for example, as 173475241 + 1029126400 = 13171^2 + 32080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202601641 - 2⁶ = 1202601577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202601611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44021 + ... + 65901.

It is an arithmetic number, because the mean of its divisors is an integer number (82418553).

Almost surely, 2^1202601641 is an apocalyptic number.

It is an amenable number.

1202601641 is a deficient number, since it is larger than the sum of its proper divisors (116095207).

1202601641 is a wasteful number, since it uses less digits than its factorization.

1202601641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1202601641 is about 34678.5472734946. The cubic root of 1202601641 is about 1063.4259748907.

Adding to 1202601641 its reverse (1461062021), we get a palindrome (2663663662).

The spelling of 1202601641 in words is "one billion, two hundred two million, six hundred one thousand, six hundred forty-one".