1246290442 has 8 divisors (see below), whose sum is σ = 1904708196. Its totient is φ = 611387712.

The previous prime is 1246290433. The next prime is 1246290467. The reversal of 1246290442 is 2440926421.

It can be written as a sum of positive squares in 2 ways, for example, as 1244043441 + 2247001 = 35271^2 + 1499^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1246290398 and 1246290407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5878623 + ... + 5878834.

Almost surely, 2^1246290442 is an apocalyptic number.

1246290442 is a deficient number, since it is larger than the sum of its proper divisors (658417754).

1246290442 is a wasteful number, since it uses less digits than its factorization.

1246290442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757512.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1246290442 is about 35302.8390076492. The cubic root of 1246290442 is about 1076.1506891079.

The spelling of 1246290442 in words is "one billion, two hundred forty-six million, two hundred ninety thousand, four hundred forty-two".