1572122073 has 32 divisors (see below), whose sum is σ = 2374669440. Its totient is φ = 919157760.

The previous prime is 1572122033. The next prime is 1572122099. The reversal of 1572122073 is 3702212751.

It is not a de Polignac number, because 1572122073 - 2¹⁶ = 1572056537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1572122073.

It is not an unprimeable number, because it can be changed into a prime (1572122033) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 45811 + ... + 72407.

It is an arithmetic number, because the mean of its divisors is an integer number (74208420).

Almost surely, 2^1572122073 is an apocalyptic number.

It is an amenable number.

1572122073 is a deficient number, since it is larger than the sum of its proper divisors (802547367).

1572122073 is a wasteful number, since it uses less digits than its factorization.

1572122073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26697.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1572122073 is about 39649.9946153842. The cubic root of 1572122073 is about 1162.7742932818.

The spelling of 1572122073 in words is "one billion, five hundred seventy-two million, one hundred twenty-two thousand, seventy-three".