1420312 has 8 divisors (see below), whose sum is σ = 2663100. Its totient is φ = 710152.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420312 is 2130241.

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

It is a junction number, because it is equal to n+sod(n) for n = 1420292 and 1420301.

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, 88762 + ... + 88777.

2^1420312 is an apocalyptic number.

It is an amenable number.

1420312 is a deficient number, since it is larger than the sum of its proper divisors (1242788).

1420312 is a wasteful number, since it uses less digits than its factorization.

1420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177545 (or 177541 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1420312 is about 1191.7684338830. The cubic root of 1420312 is about 112.4073179044.

Adding to 1420312 its reverse (2130241), we get a palindrome (3550553).

The spelling of 1420312 in words is "one million, four hundred twenty thousand, three hundred twelve".