1401202141 has 2 divisors, whose sum is σ = 1401202142. Its totient is φ = 1401202140.

The previous prime is 1401202123. The next prime is 1401202157. The reversal of 1401202141 is 1412021041.

It is a happy number.

It is an a-pointer prime, because the next prime (1401202157) can be obtained adding 1401202141 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903242916 + 497959225 = 30054^2 + 22315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401202141 - 2⁹ = 1401201629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401208141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700601070 + 700601071.

It is an arithmetic number, because the mean of its divisors is an integer number (700601071).

Almost surely, 2^1401202141 is an apocalyptic number.

It is an amenable number.

1401202141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401202141 is an equidigital number, since it uses as much as digits as its factorization.

1401202141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1401202141 is about 37432.6347055614. The cubic root of 1401202141 is about 1119.0090461544.

Adding to 1401202141 its reverse (1412021041), we get a palindrome (2813223182).

The spelling of 1401202141 in words is "one billion, four hundred one million, two hundred two thousand, one hundred forty-one".