1301420402 has 4 divisors (see below), whose sum is σ = 1952130606. Its totient is φ = 650710200.

The previous prime is 1301420387. The next prime is 1301420411. The reversal of 1301420402 is 2040241031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2040241031 = 29 ⋅70353139.

It can be written as a sum of positive squares in only one way, i.e., 1008634081 + 292786321 = 31759^2 + 17111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325355099 + ... + 325355102.

Almost surely, 2^1301420402 is an apocalyptic number.

1301420402 is a deficient number, since it is larger than the sum of its proper divisors (650710204).

1301420402 is an equidigital number, since it uses as much as digits as its factorization.

1301420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650710203.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1301420402 is about 36075.2048088434. The cubic root of 1301420402 is about 1091.7902298249.

Adding to 1301420402 its reverse (2040241031), we get a palindrome (3341661433).

The spelling of 1301420402 in words is "one billion, three hundred one million, four hundred twenty thousand, four hundred two".