102661030 has 16 divisors (see below), whose sum is σ = 187393824. Its totient is φ = 40485760.

The previous prime is 102661001. The next prime is 102661063. The reversal of 102661030 is 30166201.

It is a junction number, because it is equal to n+sod(n) for n = 102660989 and 102661007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71587 + ... + 73006.

It is an arithmetic number, because the mean of its divisors is an integer number (11712114).

Almost surely, 2^102661030 is an apocalyptic number.

102661030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102661030 is a deficient number, since it is larger than the sum of its proper divisors (84732794).

102661030 is a wasteful number, since it uses less digits than its factorization.

102661030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144671.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102661030 is about 10132.1779494835. The cubic root of 102661030 is about 468.2400301572.

The spelling of 102661030 in words is "one hundred two million, six hundred sixty-one thousand, thirty".