102051542 has 8 divisors (see below), whose sum is σ = 156811032. Its totient is φ = 49781200.

The previous prime is 102051541. The next prime is 102051557. The reversal of 102051542 is 245150201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102051541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622184 + ... + 622347.

It is an arithmetic number, because the mean of its divisors is an integer number (19601379).

Almost surely, 2^102051542 is an apocalyptic number.

102051542 is a deficient number, since it is larger than the sum of its proper divisors (54759490).

102051542 is a wasteful number, since it uses less digits than its factorization.

102051542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244574.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 102051542 is about 10102.0563253231. The cubic root of 102051542 is about 467.3115593111.

The spelling of 102051542 in words is "one hundred two million, fifty-one thousand, five hundred forty-two".