1405101242 has 16 divisors (see below), whose sum is σ = 2161361664. Its totient is φ = 684684000.

The previous prime is 1405101223. The next prime is 1405101259. The reversal of 1405101242 is 2421015041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72617 + ... + 89907.

It is an arithmetic number, because the mean of its divisors is an integer number (135085104).

Almost surely, 2^1405101242 is an apocalyptic number.

1405101242 is a deficient number, since it is larger than the sum of its proper divisors (756260422).

1405101242 is a wasteful number, since it uses less digits than its factorization.

1405101242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18325.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1405101242 is about 37484.6800973411. The cubic root of 1405101242 is about 1120.0460339285.

Adding to 1405101242 its reverse (2421015041), we get a palindrome (3826116283).

The spelling of 1405101242 in words is "one billion, four hundred five million, one hundred one thousand, two hundred forty-two".