1001427258 has 64 divisors (see below), whose sum is σ = 2225405952. Its totient is φ = 298468800.

The previous prime is 1001427257. The next prime is 1001427263. The reversal of 1001427258 is 8527241001.

1001427258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1001427253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424783 + ... + 427133.

It is an arithmetic number, because the mean of its divisors is an integer number (34771968).

Almost surely, 2^1001427258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001427258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112702976).

1001427258 is an abundant number, since it is smaller than the sum of its proper divisors (1223978694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001427258 is a wasteful number, since it uses less digits than its factorization.

1001427258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1001427258 is about 31645.3354856604. The cubic root of 1001427258 is about 1000.4755265054.

Adding to 1001427258 its reverse (8527241001), we get a palindrome (9528668259).

The spelling of 1001427258 in words is "one billion, one million, four hundred twenty-seven thousand, two hundred fifty-eight".