102020153 has 2 divisors, whose sum is σ = 102020154. Its totient is φ = 102020152.

The previous prime is 102020147. The next prime is 102020183. The reversal of 102020153 is 351020201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 32581264 = 8333^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020153 - 2⁶ = 102020089 is a prime.

It is a super-2 number, since 2×102020153² = 20816223236286818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102020143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010076 + 51010077.

It is an arithmetic number, because the mean of its divisors is an integer number (51010077).

Almost surely, 2^102020153 is an apocalyptic number.

It is an amenable number.

102020153 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020153 is an equidigital number, since it uses as much as digits as its factorization.

102020153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102020153 is about 10100.5026112565. The cubic root of 102020153 is about 467.2636425218.

Adding to 102020153 its reverse (351020201), we get a palindrome (453040354).

The spelling of 102020153 in words is "one hundred two million, twenty thousand, one hundred fifty-three".