1542125211 has 16 divisors (see below), whose sum is σ = 2295258240. Its totient is φ = 912885120.

The previous prime is 1542125209. The next prime is 1542125213. The reversal of 1542125211 is 1125212451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1542125209) and next prime (1542125213).

It is not a de Polignac number, because 1542125211 - 2¹ = 1542125209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542125213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541966 + ... + 544803.

It is an arithmetic number, because the mean of its divisors is an integer number (143453640).

Almost surely, 2^1542125211 is an apocalyptic number.

1542125211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1542125211 is a deficient number, since it is larger than the sum of its proper divisors (753133029).

1542125211 is a wasteful number, since it uses less digits than its factorization.

1542125211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086826.

The product of its digits is 800, while the sum is 24.

The square root of 1542125211 is about 39269.9021007183. The cubic root of 1542125211 is about 1155.3313170311.

Adding to 1542125211 its reverse (1125212451), we get a palindrome (2667337662).

The spelling of 1542125211 in words is "one billion, five hundred forty-two million, one hundred twenty-five thousand, two hundred eleven".