1026645242 has 8 divisors (see below), whose sum is σ = 1759963296. Its totient is φ = 439990812.

The previous prime is 1026645239. The next prime is 1026645247. The reversal of 1026645242 is 2425466201.

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 = 1026645199 and 1026645208.

It is not an unprimeable number, because it can be changed into a prime (1026645247) 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, 36665888 + ... + 36665915.

It is an arithmetic number, because the mean of its divisors is an integer number (219995412).

Almost surely, 2^1026645242 is an apocalyptic number.

1026645242 is a deficient number, since it is larger than the sum of its proper divisors (733318054).

1026645242 is an equidigital number, since it uses as much as digits as its factorization.

1026645242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73331812.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1026645242 is about 32041.3052480700. The cubic root of 1026645242 is about 1008.8040092859.

The spelling of 1026645242 in words is "one billion, twenty-six million, six hundred forty-five thousand, two hundred forty-two".