1401242356 has 12 divisors (see below), whose sum is σ = 2461224640. Its totient is φ = 698035320.

The previous prime is 1401242351. The next prime is 1401242371. The reversal of 1401242356 is 6532421041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401242351) 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, 645246 + ... + 647413.

Almost surely, 2^1401242356 is an apocalyptic number.

It is an amenable number.

1401242356 is a deficient number, since it is larger than the sum of its proper divisors (1059982284).

1401242356 is a wasteful number, since it uses less digits than its factorization.

1401242356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292934 (or 1292932 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1401242356 is about 37433.1718666746. The cubic root of 1401242356 is about 1119.0197513713.

Adding to 1401242356 its reverse (6532421041), we get a palindrome (7933663397).

The spelling of 1401242356 in words is "one billion, four hundred one million, two hundred forty-two thousand, three hundred fifty-six".