123061005020151 has 48 divisors (see below), whose sum is σ = 202419199936512. Its totient is φ = 71313682545600.

The previous prime is 123061005020147. The next prime is 123061005020153. The reversal of 123061005020151 is 151020500160321.

123061005020151 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 6 + 1 + 0 + 0 + 502 + 0 + 151 = 666.

It is not a de Polignac number, because 123061005020151 - 2² = 123061005020147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123061005020153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3617415 + ... + 16099928.

It is an arithmetic number, because the mean of its divisors is an integer number (4217066665344).

Almost surely, 2^{123061005020151} is an apocalyptic number.

123061005020151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123061005020151 is a deficient number, since it is larger than the sum of its proper divisors (79358194916361).

123061005020151 is a wasteful number, since it uses less digits than its factorization.

123061005020151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19720124 (or 19720121 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 123061005020151 its reverse (151020500160321), we get a palindrome (274081505180472).

The spelling of 123061005020151 in words is "one hundred twenty-three trillion, sixty-one billion, five million, twenty thousand, one hundred fifty-one".