1342552421 has 16 divisors (see below), whose sum is σ = 1603862400. Its totient is φ = 1122680160.

The previous prime is 1342552403. The next prime is 1342552423. The reversal of 1342552421 is 1242552431.

It is not a de Polignac number, because 1342552421 - 2⁶ = 1342552357 is a prime.

It is a super-2 number, since 2×1342552421² = 3604894006265922482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342552423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33671 + ... + 61796.

It is an arithmetic number, because the mean of its divisors is an integer number (100241400).

Almost surely, 2^1342552421 is an apocalyptic number.

It is an amenable number.

1342552421 is a deficient number, since it is larger than the sum of its proper divisors (261309979).

1342552421 is an frugal number, since it uses more digits than its factorization.

1342552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95529 (or 95515 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1342552421 is about 36640.8572634430. The cubic root of 1342552421 is about 1103.1733218015.

The spelling of 1342552421 in words is "one billion, three hundred forty-two million, five hundred fifty-two thousand, four hundred twenty-one".