210772142 has 32 divisors (see below), whose sum is σ = 366405120. Its totient is φ = 89071200.

The previous prime is 210772127. The next prime is 210772157. The reversal of 210772142 is 241277012.

It is an interprime number because it is at equal distance from previous prime (210772127) and next prime (210772157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378128 + ... + 378684.

It is an arithmetic number, because the mean of its divisors is an integer number (11450160).

Almost surely, 2^210772142 is an apocalyptic number.

210772142 is a deficient number, since it is larger than the sum of its proper divisors (155632978).

210772142 is a wasteful number, since it uses less digits than its factorization.

210772142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 210772142 is about 14517.9937319176. The cubic root of 210772142 is about 595.1198045128.

The spelling of 210772142 in words is "two hundred ten million, seven hundred seventy-two thousand, one hundred forty-two".