7421052142 has 16 divisors (see below), whose sum is σ = 12723020640. Its totient is φ = 3180146688.

The previous prime is 7421052113. The next prime is 7421052157. The reversal of 7421052142 is 2412501247.

It is a self number, because there is not a number n which added to its sum of digits gives 7421052142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188334 + ... + 224302.

It is an arithmetic number, because the mean of its divisors is an integer number (795188790).

Almost surely, 2^7421052142 is an apocalyptic number.

7421052142 is a deficient number, since it is larger than the sum of its proper divisors (5301968498).

7421052142 is a wasteful number, since it uses less digits than its factorization.

7421052142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50715.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7421052142 is about 86145.5288566969. The cubic root of 7421052142 is about 1950.5413480126.

Adding to 7421052142 its reverse (2412501247), we get a palindrome (9833553389).

The spelling of 7421052142 in words is "seven billion, four hundred twenty-one million, fifty-two thousand, one hundred forty-two".