1215070 has 8 divisors (see below), whose sum is σ = 2187144. Its totient is φ = 486024.

The previous prime is 1215047. The next prime is 1215079. The reversal of 1215070 is 705121.

1215070 = T₄₄₄ + T₄₄₅ + ... + T₄₅₅.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215079) 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, 60744 + ... + 60763.

It is an arithmetic number, because the mean of its divisors is an integer number (273393).

2^1215070 is an apocalyptic number.

1215070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215070 is a deficient number, since it is larger than the sum of its proper divisors (972074).

1215070 is a wasteful number, since it uses less digits than its factorization.

1215070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121514.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1215070 is about 1102.3021364399. The cubic root of 1215070 is about 106.7088483343.

The spelling of 1215070 in words is "one million, two hundred fifteen thousand, seventy".