102121032 has 32 divisors (see below), whose sum is σ = 274942080. Its totient is φ = 31421760.

The previous prime is 102121031. The next prime is 102121043. The reversal of 102121032 is 230121201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102120999 and 102121017.

It is not an unprimeable number, because it can be changed into a prime (102121031) 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, 163344 + ... + 163967.

It is an arithmetic number, because the mean of its divisors is an integer number (8591940).

Almost surely, 2^102121032 is an apocalyptic number.

102121032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102121032 is an abundant number, since it is smaller than the sum of its proper divisors (172821048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102121032 is a wasteful number, since it uses less digits than its factorization.

102121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327333 (or 327329 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102121032 is about 10105.4951387846. The cubic root of 102121032 is about 467.4176041315.

Adding to 102121032 its reverse (230121201), we get a palindrome (332242233).

The spelling of 102121032 in words is "one hundred two million, one hundred twenty-one thousand, thirty-two".