1520054742 has 16 divisors (see below), whose sum is σ = 3040712640. Its totient is φ = 506584392.

The previous prime is 1520054717. The next prime is 1520054771. The reversal of 1520054742 is 2474500251.

It is a congruent number.

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, 11809 + ... + 56387.

It is an arithmetic number, because the mean of its divisors is an integer number (190044540).

Almost surely, 2^1520054742 is an apocalyptic number.

1520054742 is an abundant number, since it is smaller than the sum of its proper divisors (1520657898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1520054742 is a wasteful number, since it uses less digits than its factorization.

1520054742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50267.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 1520054742 is about 38987.8794242518. The cubic root of 1520054742 is about 1149.7932185234.

Adding to 1520054742 its reverse (2474500251), we get a palindrome (3994554993).

The spelling of 1520054742 in words is "one billion, five hundred twenty million, fifty-four thousand, seven hundred forty-two".