1421551341 has 24 divisors (see below), whose sum is σ = 2350555584. Its totient is φ = 810976320.

The previous prime is 1421551333. The next prime is 1421551349. The reversal of 1421551341 is 1431551241.

1421551341 is a `hidden beast` number, since 142 + 1 + 5 + 513 + 4 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1421551333) and next prime (1421551349).

It is not a de Polignac number, because 1421551341 - 2³ = 1421551333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421551349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20586 + ... + 57156.

It is an arithmetic number, because the mean of its divisors is an integer number (97939816).

Almost surely, 2^1421551341 is an apocalyptic number.

It is an amenable number.

1421551341 is a deficient number, since it is larger than the sum of its proper divisors (929004243).

1421551341 is a wasteful number, since it uses less digits than its factorization.

1421551341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37201 (or 37198 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1421551341 is about 37703.4659016913. The cubic root of 1421551341 is about 1124.4000332776.

It can be divided in two parts, 14215 and 51341, that added together give a palindrome (65556).

The spelling of 1421551341 in words is "one billion, four hundred twenty-one million, five hundred fifty-one thousand, three hundred forty-one".