70126051 has 4 divisors (see below), whose sum is σ = 70147872. Its totient is φ = 70104232.

The previous prime is 70126039. The next prime is 70126073. The reversal of 70126051 is 15062107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15062107 = 29 ⋅519383.

It is a cyclic number.

It is not a de Polignac number, because 70126051 - 2²¹ = 68028899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70126351) 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, 5035 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (17536968).

Almost surely, 2^70126051 is an apocalyptic number.

70126051 is a deficient number, since it is larger than the sum of its proper divisors (21821).

70126051 is a wasteful number, since it uses less digits than its factorization.

70126051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21820.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 70126051 is about 8374.1298652457. The cubic root of 70126051 is about 412.3757588492.

Adding to 70126051 its reverse (15062107), we get a palindrome (85188158).

The spelling of 70126051 in words is "seventy million, one hundred twenty-six thousand, fifty-one".