1121437070 has 96 divisors (see below), whose sum is σ = 2302951392. Its totient is φ = 390514176.

The previous prime is 1121437067. The next prime is 1121437073. The reversal of 1121437070 is 707341211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121437067) and next prime (1121437073).

It is a super-2 number, since 2×1121437070² = 2515242203940369800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121437073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13511249 + ... + 13511331.

It is an arithmetic number, because the mean of its divisors is an integer number (23989077).

Almost surely, 2^1121437070 is an apocalyptic number.

1121437070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121437070 is an abundant number, since it is smaller than the sum of its proper divisors (1181514322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121437070 is a wasteful number, since it uses less digits than its factorization.

1121437070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1121437070 is about 33487.8645183595. The cubic root of 1121437070 is about 1038.9427958636.

Adding to 1121437070 its reverse (707341211), we get a palindrome (1828778281).

It can be divided in two parts, 11214 and 37070, that added together give a palindrome (48284).

The spelling of 1121437070 in words is "one billion, one hundred twenty-one million, four hundred thirty-seven thousand, seventy".