102697941742 has 16 divisors (see below), whose sum is σ = 171221956272. Its totient is φ = 45800110720.

The previous prime is 102697941721. The next prime is 102697941743. The reversal of 102697941742 is 247149796201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102697941742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102697941743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44037403 + ... + 44039734.

It is an arithmetic number, because the mean of its divisors is an integer number (10701372267).

Almost surely, 2^102697941742 is an apocalyptic number.

102697941742 is a deficient number, since it is larger than the sum of its proper divisors (68524014530).

102697941742 is a wasteful number, since it uses less digits than its factorization.

102697941742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88077203.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 102697941742 in words is "one hundred two billion, six hundred ninety-seven million, nine hundred forty-one thousand, seven hundred forty-two".