102040120034 has 64 divisors (see below), whose sum is σ = 175012814592. Its totient is φ = 44346931200.

The previous prime is 102040119977. The next prime is 102040120043. The reversal of 102040120034 is 430021040201.

It is a super-3 number, since 3×102040120034³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 102040119994 and 102040120021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3776894 + ... + 3803814.

It is an arithmetic number, because the mean of its divisors is an integer number (2734575228).

Almost surely, 2^102040120034 is an apocalyptic number.

102040120034 is a deficient number, since it is larger than the sum of its proper divisors (72972694558).

102040120034 is a wasteful number, since it uses less digits than its factorization.

102040120034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27131.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102040120034 its reverse (430021040201), we get a palindrome (532061160235).

The spelling of 102040120034 in words is "one hundred two billion, forty million, one hundred twenty thousand, thirty-four".