1401421202 has 4 divisors (see below), whose sum is σ = 2102131806. Its totient is φ = 700710600.

The previous prime is 1401421199. The next prime is 1401421237. The reversal of 1401421202 is 2021241041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2021241041 = 599 ⋅3374359.

It can be written as a sum of positive squares in only one way, i.e., 1016908321 + 384512881 = 31889^2 + 19609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350355299 + ... + 350355302.

Almost surely, 2^1401421202 is an apocalyptic number.

1401421202 is a deficient number, since it is larger than the sum of its proper divisors (700710604).

1401421202 is an equidigital number, since it uses as much as digits as its factorization.

1401421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700710603.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1401421202 is about 37435.5606609544. The cubic root of 1401421202 is about 1119.0673576238.

Adding to 1401421202 its reverse (2021241041), we get a palindrome (3422662243).

The spelling of 1401421202 in words is "one billion, four hundred one million, four hundred twenty-one thousand, two hundred two".