1421132546 has 8 divisors (see below), whose sum is σ = 2131859964. Its totient is φ = 710512560.

The previous prime is 1421132543. The next prime is 1421132549. The reversal of 1421132546 is 6452311241.

It is an interprime number because it is at equal distance from previous prime (1421132543) and next prime (1421132549).

It can be written as a sum of positive squares in 2 ways, for example, as 1355344225 + 65788321 = 36815^2 + 8111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1421132546³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421132543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32096 + ... + 62228.

Almost surely, 2^1421132546 is an apocalyptic number.

1421132546 is a deficient number, since it is larger than the sum of its proper divisors (710727418).

1421132546 is a wasteful number, since it uses less digits than its factorization.

1421132546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53716.

The product of its digits is 5760, while the sum is 29.

The square root of 1421132546 is about 37697.9116928246. The cubic root of 1421132546 is about 1124.2896047740.

Adding to 1421132546 its reverse (6452311241), we get a palindrome (7873443787).

The spelling of 1421132546 in words is "one billion, four hundred twenty-one million, one hundred thirty-two thousand, five hundred forty-six".