102137401 has 4 divisors (see below), whose sum is σ = 102285904. Its totient is φ = 101988900.

The previous prime is 102137389. The next prime is 102137419. The reversal of 102137401 is 104731201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104731201 = 37 ⋅2830573.

It is a cyclic number.

It is not a de Polignac number, because 102137401 - 2¹¹ = 102135353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102137491) 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, 73215 + ... + 74596.

It is an arithmetic number, because the mean of its divisors is an integer number (25571476).

Almost surely, 2^102137401 is an apocalyptic number.

It is an amenable number.

102137401 is a deficient number, since it is larger than the sum of its proper divisors (148503).

102137401 is an equidigital number, since it uses as much as digits as its factorization.

102137401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148502.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 102137401 is about 10106.3050122189. The cubic root of 102137401 is about 467.4425769500.

Adding to 102137401 its reverse (104731201), we get a palindrome (206868602).

The spelling of 102137401 in words is "one hundred two million, one hundred thirty-seven thousand, four hundred one".