102628357 has 4 divisors (see below), whose sum is σ = 110522860. Its totient is φ = 94733856.

The previous prime is 102628349. The next prime is 102628363. The reversal of 102628357 is 753826201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753826201 = 337 ⋅2236873.

It can be written as a sum of positive squares in 2 ways, for example, as 60000516 + 42627841 = 7746^2 + 6529^2 .

It is a cyclic number.

It is not a de Polignac number, because 102628357 - 2³ = 102628349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102628327) 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, 3947232 + ... + 3947257.

It is an arithmetic number, because the mean of its divisors is an integer number (27630715).

Almost surely, 2^102628357 is an apocalyptic number.

It is an amenable number.

102628357 is a deficient number, since it is larger than the sum of its proper divisors (7894503).

102628357 is an equidigital number, since it uses as much as digits as its factorization.

102628357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894502.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 102628357 is about 10130.5654827359. The cubic root of 102628357 is about 468.1903507095.

The spelling of 102628357 in words is "one hundred two million, six hundred twenty-eight thousand, three hundred fifty-seven".