101026402 has 4 divisors (see below), whose sum is σ = 151539606. Its totient is φ = 50513200.

The previous prime is 101026357. The next prime is 101026411. The reversal of 101026402 is 204620101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74287161 + 26739241 = 8619^2 + 5171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25256599 + ... + 25256602.

Almost surely, 2^101026402 is an apocalyptic number.

101026402 is a deficient number, since it is larger than the sum of its proper divisors (50513204).

101026402 is an equidigital number, since it uses as much as digits as its factorization.

101026402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50513203.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101026402 is about 10051.1890838846. The cubic root of 101026402 is about 465.7415262434.

Adding to 101026402 its reverse (204620101), we get a palindrome (305646503).

The spelling of 101026402 in words is "one hundred one million, twenty-six thousand, four hundred two".