1263472942 has 8 divisors (see below), whose sum is σ = 1897589736. Its totient is φ = 630943032.

The previous prime is 1263472937. The next prime is 1263472943. The reversal of 1263472942 is 2492743621.

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

It is a super-3 number, since 3×1263472942³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1263472895 and 1263472904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263472943) 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, 394728 + ... + 397915.

It is an arithmetic number, because the mean of its divisors is an integer number (237198717).

Almost surely, 2^1263472942 is an apocalyptic number.

1263472942 is a deficient number, since it is larger than the sum of its proper divisors (634116794).

1263472942 is an equidigital number, since it uses as much as digits as its factorization.

1263472942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793442.

The product of its digits is 145152, while the sum is 40.

The square root of 1263472942 is about 35545.3645641735. The cubic root of 1263472942 is about 1081.0737326704.

The spelling of 1263472942 in words is "one billion, two hundred sixty-three million, four hundred seventy-two thousand, nine hundred forty-two".