2152742103 has 28 divisors (see below), whose sum is σ = 3314911608. Its totient is φ = 1396355760.

The previous prime is 2152742101. The next prime is 2152742117. The reversal of 2152742103 is 3012472512.

2152742103 is a `hidden beast` number, since 215 + 27 + 421 + 0 + 3 = 666.

It is not a de Polignac number, because 2152742103 - 2¹ = 2152742101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152742101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 12933 + ... + 66878.

Almost surely, 2^2152742103 is an apocalyptic number.

2152742103 is a deficient number, since it is larger than the sum of its proper divisors (1162169505).

2152742103 is an frugal number, since it uses more digits than its factorization.

2152742103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79866 (or 79851 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2152742103 is about 46397.6519125699. The cubic root of 2152742103 is about 1291.2113499800.

The spelling of 2152742103 in words is "two billion, one hundred fifty-two million, seven hundred forty-two thousand, one hundred three".