102377842 has 32 divisors (see below), whose sum is σ = 187712640. Its totient is φ = 40876800.

The previous prime is 102377827. The next prime is 102377843. The reversal of 102377842 is 248773201.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 102377798 and 102377807.

It is not an unprimeable number, because it can be changed into a prime (102377843) 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, 21909 + ... + 26167.

It is an arithmetic number, because the mean of its divisors is an integer number (5866020).

Almost surely, 2^102377842 is an apocalyptic number.

102377842 is a deficient number, since it is larger than the sum of its proper divisors (85334798).

102377842 is a wasteful number, since it uses less digits than its factorization.

102377842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 102377842 is about 10118.1936134865. The cubic root of 102377842 is about 467.8090906876.

The spelling of 102377842 in words is "one hundred two million, three hundred seventy-seven thousand, eight hundred forty-two".