1301422140 has 60 divisors (see below), whose sum is σ = 4082614536. Its totient is φ = 347045472.

The previous prime is 1301422139. The next prime is 1301422147. The reversal of 1301422140 is 412241031.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301422147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 400054 + ... + 403293.

Almost surely, 2^1301422140 is an apocalyptic number.

1301422140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301422140 is an abundant number, since it is smaller than the sum of its proper divisors (2781192396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301422140 is a wasteful number, since it uses less digits than its factorization.

1301422140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803368 (or 803357 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1301422140 is about 36075.2288974027. The cubic root of 1301422140 is about 1091.7907158402.

Adding to 1301422140 its reverse (412241031), we get a palindrome (1713663171).

The spelling of 1301422140 in words is "one billion, three hundred one million, four hundred twenty-two thousand, one hundred forty".