101402242 has 4 divisors (see below), whose sum is σ = 152103366. Its totient is φ = 50701120.

The previous prime is 101402227. The next prime is 101402251. The reversal of 101402242 is 242204101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242204101 = 11933 ⋅20297.

It can be written as a sum of positive squares in only one way, i.e., 63345681 + 38056561 = 7959^2 + 6169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25350559 + ... + 25350562.

Almost surely, 2^101402242 is an apocalyptic number.

101402242 is a deficient number, since it is larger than the sum of its proper divisors (50701124).

101402242 is an equidigital number, since it uses as much as digits as its factorization.

101402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50701123.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 101402242 is about 10069.8680229683. The cubic root of 101402242 is about 466.3183644816.

Adding to 101402242 its reverse (242204101), we get a palindrome (343606343).

The spelling of 101402242 in words is "one hundred one million, four hundred two thousand, two hundred forty-two".