1302401061 has 24 divisors (see below), whose sum is σ = 2027294360. Its totient is φ = 800948736.

The previous prime is 1302401053. The next prime is 1302401069. The reversal of 1302401061 is 1601042031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1302401053) and next prime (1302401069).

It can be written as a sum of positive squares in 4 ways, for example, as 70812225 + 1231588836 = 8415^2 + 35094^2 .

It is not a de Polignac number, because 1302401061 - 2³ = 1302401053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302401069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247425 + ... + 252633.

Almost surely, 2^1302401061 is an apocalyptic number.

It is an amenable number.

1302401061 is a deficient number, since it is larger than the sum of its proper divisors (724893299).

1302401061 is a wasteful number, since it uses less digits than its factorization.

1302401061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365 (or 7362 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1302401061 is about 36088.7941195047. The cubic root of 1302401061 is about 1092.0643931154.

Adding to 1302401061 its reverse (1601042031), we get a palindrome (2903443092).

The spelling of 1302401061 in words is "one billion, three hundred two million, four hundred one thousand, sixty-one".