1006451642 has 16 divisors (see below), whose sum is σ = 1781002752. Its totient is φ = 417422160.

The previous prime is 1006451623. The next prime is 1006451653. The reversal of 1006451642 is 2461546001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159073 + ... + 1159940.

It is an arithmetic number, because the mean of its divisors is an integer number (111312672).

Almost surely, 2^1006451642 is an apocalyptic number.

1006451642 is a deficient number, since it is larger than the sum of its proper divisors (774551110).

1006451642 is a wasteful number, since it uses less digits than its factorization.

1006451642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319053.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1006451642 is about 31724.6220150848. The cubic root of 1006451642 is about 1002.1459389852.

Adding to 1006451642 its reverse (2461546001), we get a palindrome (3467997643).

The spelling of 1006451642 in words is "one billion, six million, four hundred fifty-one thousand, six hundred forty-two".