1427212837 has 4 divisors (see below), whose sum is σ = 1429475296. Its totient is φ = 1424950380.

The previous prime is 1427212823. The next prime is 1427212847. The reversal of 1427212837 is 7382127241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7382127241 = 5827 ⋅1266883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427212837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1427212796 and 1427212805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427212817) 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, 1130283 + ... + 1131544.

It is an arithmetic number, because the mean of its divisors is an integer number (357368824).

Almost surely, 2^1427212837 is an apocalyptic number.

It is an amenable number.

1427212837 is a deficient number, since it is larger than the sum of its proper divisors (2262459).

1427212837 is an equidigital number, since it uses as much as digits as its factorization.

1427212837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262458.

The product of its digits is 37632, while the sum is 37.

The square root of 1427212837 is about 37778.4705487133. The cubic root of 1427212837 is about 1125.8907413334.

The spelling of 1427212837 in words is "one billion, four hundred twenty-seven million, two hundred twelve thousand, eight hundred thirty-seven".