1572042126 has 16 divisors (see below), whose sum is σ = 3147140304. Its totient is φ = 523504704.

The previous prime is 1572042119. The next prime is 1572042127. The reversal of 1572042126 is 6212402751.

It is a junction number, because it is equal to n+sod(n) for n = 1572042093 and 1572042102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572042127) 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 7 ways as a sum of consecutive naturals, for example, 120621 + ... + 133016.

It is an arithmetic number, because the mean of its divisors is an integer number (196696269).

Almost surely, 2^1572042126 is an apocalyptic number.

1572042126 is an abundant number, since it is smaller than the sum of its proper divisors (1575098178).

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

1572042126 is a wasteful number, since it uses less digits than its factorization.

1572042126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254675.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1572042126 is about 39648.9864435398. The cubic root of 1572042126 is about 1162.7545827911.

Adding to 1572042126 its reverse (6212402751), we get a palindrome (7784444877).

It can be divided in two parts, 157204 and 2126, that added together give a triangular number (159330 = T₅₆₄).

The spelling of 1572042126 in words is "one billion, five hundred seventy-two million, forty-two thousand, one hundred twenty-six".