1601265542 has 8 divisors (see below), whose sum is σ = 2402341032. Its totient is φ = 800485200.

The previous prime is 1601265517. The next prime is 1601265563. The reversal of 1601265542 is 2455621061.

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

It is a junction number, because it is equal to n+sod(n) for n = 1601265499 and 1601265508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59684 + ... + 82247.

It is an arithmetic number, because the mean of its divisors is an integer number (300292629).

Almost surely, 2^1601265542 is an apocalyptic number.

1601265542 is a deficient number, since it is larger than the sum of its proper divisors (801075490).

1601265542 is a wasteful number, since it uses less digits than its factorization.

1601265542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147574.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1601265542 is about 40015.8161481182. The cubic root of 1601265542 is about 1169.9153862885.

The spelling of 1601265542 in words is "one billion, six hundred one million, two hundred sixty-five thousand, five hundred forty-two".