1401402242 has 8 divisors (see below), whose sum is σ = 2225756556. Its totient is φ = 659483392.

The previous prime is 1401402221. The next prime is 1401402271. The reversal of 1401402242 is 2422041041.

It can be written as a sum of positive squares in 2 ways, for example, as 1203465481 + 197936761 = 34691^2 + 14069^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20608823 + ... + 20608890.

Almost surely, 2^1401402242 is an apocalyptic number.

1401402242 is a deficient number, since it is larger than the sum of its proper divisors (824354314).

1401402242 is a wasteful number, since it uses less digits than its factorization.

1401402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41217732.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1401402242 is about 37435.3074249431. The cubic root of 1401402242 is about 1119.0623109344.

Adding to 1401402242 its reverse (2422041041), we get a palindrome (3823443283).

The spelling of 1401402242 in words is "one billion, four hundred one million, four hundred two thousand, two hundred forty-two".