1421208344 has 8 divisors (see below), whose sum is σ = 2664765660. Its totient is φ = 710604168.

The previous prime is 1421208331. The next prime is 1421208377. The reversal of 1421208344 is 4438021241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1421208344³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88825514 + ... + 88825529.

Almost surely, 2^1421208344 is an apocalyptic number.

It is an amenable number.

1421208344 is a deficient number, since it is larger than the sum of its proper divisors (1243557316).

1421208344 is a wasteful number, since it uses less digits than its factorization.

1421208344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177651049 (or 177651045 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1421208344 is about 37698.9170136226. The cubic root of 1421208344 is about 1124.3095929139.

Adding to 1421208344 its reverse (4438021241), we get a palindrome (5859229585).

The spelling of 1421208344 in words is "one billion, four hundred twenty-one million, two hundred eight thousand, three hundred forty-four".