70553121 has 8 divisors (see below), whose sum is σ = 98160960. Its totient is φ = 44990352.

The previous prime is 70553107. The next prime is 70553177. The reversal of 70553121 is 12135507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70553121 - 2⁶ = 70553057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70553091 and 70553100.

It is not an unprimeable number, because it can be changed into a prime (70553221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511186 + ... + 511323.

It is an arithmetic number, because the mean of its divisors is an integer number (12270120).

Almost surely, 2^70553121 is an apocalyptic number.

It is an amenable number.

70553121 is a deficient number, since it is larger than the sum of its proper divisors (27607839).

70553121 is a wasteful number, since it uses less digits than its factorization.

70553121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022535.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 70553121 is about 8399.5905257340. The cubic root of 70553121 is about 413.2111925933.

Adding to 70553121 its reverse (12135507), we get a palindrome (82688628).

The spelling of 70553121 in words is "seventy million, five hundred fifty-three thousand, one hundred twenty-one".